21210643920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{661}}^1$

素因数の和:954

約数の個数: 320

約数和(自身を含む): 71869685760

約数和(自身を除く): 50659041840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 152, 155, 186, 190, 227, 228, 240, 248, 285, 304, 310, 372, 380, 454, 456, 465, 496, 570, 589, 620, 661, 681, 744, 760, 908, 912, 930, 1135, 1140, 1178, 1240, 1322, 1362, 1488, 1520, 1767, 1816, 1860, 1983, 2270, 2280, 2356, 2480, 2644, 2724, 2945, 3305, 3405, 3534, 3632, 3720, 3966, 4313, 4540, 4560, 4712, 5288, 5448, 5890, 6610, 6810, 7037, 7068, 7440, 7932, 8626, 8835, 9080, 9424, 9915, 10576, 10896, 11780, 12559, 12939, 13220, 13620, 14074, 14136, 15864, 17252, 17670, 18160, 19830, 20491, 21111, 21565, 23560, 25118, 25878, 26440, 27240, 28148, 28272, 31728, 34504, 35185, 35340, 37677, 39660, 40982, 42222, 43130, 47120, 50236, 51756, 52880, 54480, 56296, 61473, 62795, 64695, 69008, 70370, 70680, 75354, 79320, 81964, 84444, 86260, 100472, 102455, 103512, 105555, 112592, 122946, 125590, 129390, 133703, 140740, 141360, 150047, 150708, 158640, 163928, 168888, 172520, 188385, 200944, 204910, 207024, 211110, 245892, 251180, 258780, 267406, 281480, 300094, 301416, 307365, 327856, 337776, 345040, 376770, 389329, 401109, 409820, 422220, 450141, 491784, 502360, 517560, 534812, 562960, 600188, 602832, 614730, 668515, 750235, 753540, 778658, 802218, 819640, 844440, 900282, 983568, 1004720, 1035120, 1069624, 1167987, 1200376, 1229460, 1337030, 1500470, 1507080, 1557316, 1604436, 1639280, 1688880, 1800564, 1946645, 2005545, 2139248, 2250705, 2335974, 2400752, 2458920, 2674060, 2850893, 3000940, 3014160, 3114632, 3208872, 3601128, 3893290, 4011090, 4501410, 4651457, 4671948, 4917840, 5348120, 5701786, 5839935, 6001880, 6229264, 6417744, 7202256, 7786580, 8022180, 8552679, 9002820, 9302914, 9343896, 10696240, 11403572, 11679870, 12003760, 13954371, 14254465, 15573160, 16044360, 17105358, 18005640, 18605828, 18687792, 22807144, 23257285, 23359740, 27908742, 28508930, 31146320, 32088720, 34210716, 36011280, 37211656, 42763395, 45614288, 46514570, 46719480, 55817484, 57017860, 68421432, 69771855, 74423312, 85526790, 88377683, 93029140, 93438960, 111634968, 114035720, 136842864, 139543710, 171053580, 176755366, 186058280, 223269936, 228071440, 265133049, 279087420, 342107160, 353510732, 372116560, 441888415, 530266098, 558174840, 684214320, 707021464, 883776830, 1060532196, 1116349680, 1325665245, 1414042928, 1767553660, 2121064392, 2651330490, 3535107320, 4242128784, 5302660980, 7070214640, 10605321960, 21210643920]

約数ペア:

[(1, 21210643920), (2, 10605321960), (3, 7070214640), (4, 5302660980), (5, 4242128784), (6, 3535107320), (8, 2651330490), (10, 2121064392), (12, 1767553660), (15, 1414042928), (16, 1325665245), (19, 1116349680), (20, 1060532196), (24, 883776830), (30, 707021464), (31, 684214320), (38, 558174840), (40, 530266098), (48, 441888415), (57, 372116560), (60, 353510732), (62, 342107160), (76, 279087420), (80, 265133049), (93, 228071440), (95, 223269936), (114, 186058280), (120, 176755366), (124, 171053580), (152, 139543710), (155, 136842864), (186, 114035720), (190, 111634968), (227, 93438960), (228, 93029140), (240, 88377683), (248, 85526790), (285, 74423312), (304, 69771855), (310, 68421432), (372, 57017860), (380, 55817484), (454, 46719480), (456, 46514570), (465, 45614288), (496, 42763395), (570, 37211656), (589, 36011280), (620, 34210716), (661, 32088720), (681, 31146320), (744, 28508930), (760, 27908742), (908, 23359740), (912, 23257285), (930, 22807144), (1135, 18687792), (1140, 18605828), (1178, 18005640), (1240, 17105358), (1322, 16044360), (1362, 15573160), (1488, 14254465), (1520, 13954371), (1767, 12003760), (1816, 11679870), (1860, 11403572), (1983, 10696240), (2270, 9343896), (2280, 9302914), (2356, 9002820), (2480, 8552679), (2644, 8022180), (2724, 7786580), (2945, 7202256), (3305, 6417744), (3405, 6229264), (3534, 6001880), (3632, 5839935), (3720, 5701786), (3966, 5348120), (4313, 4917840), (4540, 4671948), (4560, 4651457), (4712, 4501410), (5288, 4011090), (5448, 3893290), (5890, 3601128), (6610, 3208872), (6810, 3114632), (7037, 3014160), (7068, 3000940), (7440, 2850893), (7932, 2674060), (8626, 2458920), (8835, 2400752), (9080, 2335974), (9424, 2250705), (9915, 2139248), (10576, 2005545), (10896, 1946645), (11780, 1800564), (12559, 1688880), (12939, 1639280), (13220, 1604436), (13620, 1557316), (14074, 1507080), (14136, 1500470), (15864, 1337030), (17252, 1229460), (17670, 1200376), (18160, 1167987), (19830, 1069624), (20491, 1035120), (21111, 1004720), (21565, 983568), (23560, 900282), (25118, 844440), (25878, 819640), (26440, 802218), (27240, 778658), (28148, 753540), (28272, 750235), (31728, 668515), (34504, 614730), (35185, 602832), (35340, 600188), (37677, 562960), (39660, 534812), (40982, 517560), (42222, 502360), (43130, 491784), (47120, 450141), (50236, 422220), (51756, 409820), (52880, 401109), (54480, 389329), (56296, 376770), (61473, 345040), (62795, 337776), (64695, 327856), (69008, 307365), (70370, 301416), (70680, 300094), (75354, 281480), (79320, 267406), (81964, 258780), (84444, 251180), (86260, 245892), (100472, 211110), (102455, 207024), (103512, 204910), (105555, 200944), (112592, 188385), (122946, 172520), (125590, 168888), (129390, 163928), (133703, 158640), (140740, 150708), (141360, 150047)]