21761189730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:982

約数の個数: 256

約数和(自身を含む): 67622584320

約数和(自身を除く): 45861394590

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 71, 90, 105, 126, 135, 142, 189, 210, 213, 257, 270, 315, 355, 378, 426, 497, 514, 630, 631, 639, 710, 771, 945, 994, 1065, 1262, 1278, 1285, 1491, 1542, 1799, 1890, 1893, 1917, 2130, 2313, 2485, 2570, 2982, 3155, 3195, 3598, 3786, 3834, 3855, 4417, 4473, 4626, 4970, 5397, 5679, 6310, 6390, 6939, 7455, 7710, 8834, 8946, 8995, 9465, 9585, 10794, 11358, 11565, 13251, 13419, 13878, 14910, 16191, 17037, 17990, 18247, 18930, 19170, 22085, 22365, 23130, 26502, 26838, 26985, 28395, 32382, 34074, 34695, 36494, 39753, 44170, 44730, 44801, 48573, 53970, 54741, 56790, 66255, 67095, 69390, 79506, 80955, 85185, 89602, 91235, 97146, 109482, 119259, 127729, 132510, 134190, 134403, 161910, 162167, 164223, 170370, 182470, 198765, 224005, 238518, 242865, 255458, 268806, 273705, 313607, 324334, 328446, 383187, 397530, 403209, 448010, 485730, 486501, 492669, 547410, 596295, 627214, 638645, 672015, 766374, 806418, 810835, 821115, 940821, 973002, 985338, 1135169, 1149561, 1192590, 1209627, 1277290, 1344030, 1459503, 1568035, 1621670, 1642230, 1881642, 1915935, 2016045, 2270338, 2299122, 2419254, 2432505, 2463345, 2822463, 2919006, 3136070, 3405507, 3448683, 3831870, 4032090, 4378509, 4704105, 4865010, 4926690, 5644926, 5675845, 5747805, 6048135, 6811014, 6897366, 7297515, 8467389, 8757018, 9408210, 10216521, 11351690, 11495610, 11513857, 12096270, 14112315, 14595030, 16934778, 17027535, 17243415, 20433042, 21892545, 23027714, 28224630, 30649563, 34055070, 34486830, 34541571, 42336945, 43785090, 51082605, 57569285, 61299126, 69083142, 80596999, 84673890, 102165210, 103624713, 115138570, 153247815, 161193998, 172707855, 207249426, 241790997, 306495630, 310874139, 345415710, 402984995, 483581994, 518123565, 621748278, 725372991, 805969990, 1036247130, 1208954985, 1450745982, 1554370695, 2176118973, 2417909970, 3108741390, 3626864955, 4352237946, 7253729910, 10880594865, 21761189730]

約数ペア:

[(1, 21761189730), (2, 10880594865), (3, 7253729910), (5, 4352237946), (6, 3626864955), (7, 3108741390), (9, 2417909970), (10, 2176118973), (14, 1554370695), (15, 1450745982), (18, 1208954985), (21, 1036247130), (27, 805969990), (30, 725372991), (35, 621748278), (42, 518123565), (45, 483581994), (54, 402984995), (63, 345415710), (70, 310874139), (71, 306495630), (90, 241790997), (105, 207249426), (126, 172707855), (135, 161193998), (142, 153247815), (189, 115138570), (210, 103624713), (213, 102165210), (257, 84673890), (270, 80596999), (315, 69083142), (355, 61299126), (378, 57569285), (426, 51082605), (497, 43785090), (514, 42336945), (630, 34541571), (631, 34486830), (639, 34055070), (710, 30649563), (771, 28224630), (945, 23027714), (994, 21892545), (1065, 20433042), (1262, 17243415), (1278, 17027535), (1285, 16934778), (1491, 14595030), (1542, 14112315), (1799, 12096270), (1890, 11513857), (1893, 11495610), (1917, 11351690), (2130, 10216521), (2313, 9408210), (2485, 8757018), (2570, 8467389), (2982, 7297515), (3155, 6897366), (3195, 6811014), (3598, 6048135), (3786, 5747805), (3834, 5675845), (3855, 5644926), (4417, 4926690), (4473, 4865010), (4626, 4704105), (4970, 4378509), (5397, 4032090), (5679, 3831870), (6310, 3448683), (6390, 3405507), (6939, 3136070), (7455, 2919006), (7710, 2822463), (8834, 2463345), (8946, 2432505), (8995, 2419254), (9465, 2299122), (9585, 2270338), (10794, 2016045), (11358, 1915935), (11565, 1881642), (13251, 1642230), (13419, 1621670), (13878, 1568035), (14910, 1459503), (16191, 1344030), (17037, 1277290), (17990, 1209627), (18247, 1192590), (18930, 1149561), (19170, 1135169), (22085, 985338), (22365, 973002), (23130, 940821), (26502, 821115), (26838, 810835), (26985, 806418), (28395, 766374), (32382, 672015), (34074, 638645), (34695, 627214), (36494, 596295), (39753, 547410), (44170, 492669), (44730, 486501), (44801, 485730), (48573, 448010), (53970, 403209), (54741, 397530), (56790, 383187), (66255, 328446), (67095, 324334), (69390, 313607), (79506, 273705), (80955, 268806), (85185, 255458), (89602, 242865), (91235, 238518), (97146, 224005), (109482, 198765), (119259, 182470), (127729, 170370), (132510, 164223), (134190, 162167), (134403, 161910)]