21908070

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 160

約数和(自身を含む): 65549088

約数和(自身を除く): 43641018

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 37, 43, 45, 51, 54, 74, 81, 85, 86, 90, 102, 111, 129, 135, 153, 162, 170, 185, 215, 222, 255, 258, 270, 306, 333, 370, 387, 405, 430, 459, 510, 555, 629, 645, 666, 731, 765, 774, 810, 918, 999, 1110, 1161, 1258, 1290, 1377, 1462, 1530, 1591, 1665, 1887, 1935, 1998, 2193, 2295, 2322, 2754, 2997, 3145, 3182, 3330, 3483, 3655, 3774, 3870, 4386, 4590, 4773, 4995, 5661, 5805, 5994, 6290, 6579, 6885, 6966, 7310, 7955, 9435, 9546, 9990, 10965, 11322, 11610, 13158, 13770, 14319, 14985, 15910, 16983, 17415, 18870, 19737, 21930, 23865, 27047, 28305, 28638, 29970, 32895, 33966, 34830, 39474, 42957, 47730, 50949, 54094, 56610, 59211, 65790, 71595, 81141, 84915, 85914, 98685, 101898, 118422, 128871, 135235, 143190, 162282, 169830, 197370, 214785, 243423, 254745, 257742, 270470, 296055, 405705, 429570, 486846, 509490, 592110, 644355, 730269, 811410, 1217115, 1288710, 1460538, 2190807, 2434230, 3651345, 4381614, 7302690, 10954035, 21908070]

約数ペア:

[(1, 21908070), (2, 10954035), (3, 7302690), (5, 4381614), (6, 3651345), (9, 2434230), (10, 2190807), (15, 1460538), (17, 1288710), (18, 1217115), (27, 811410), (30, 730269), (34, 644355), (37, 592110), (43, 509490), (45, 486846), (51, 429570), (54, 405705), (74, 296055), (81, 270470), (85, 257742), (86, 254745), (90, 243423), (102, 214785), (111, 197370), (129, 169830), (135, 162282), (153, 143190), (162, 135235), (170, 128871), (185, 118422), (215, 101898), (222, 98685), (255, 85914), (258, 84915), (270, 81141), (306, 71595), (333, 65790), (370, 59211), (387, 56610), (405, 54094), (430, 50949), (459, 47730), (510, 42957), (555, 39474), (629, 34830), (645, 33966), (666, 32895), (731, 29970), (765, 28638), (774, 28305), (810, 27047), (918, 23865), (999, 21930), (1110, 19737), (1161, 18870), (1258, 17415), (1290, 16983), (1377, 15910), (1462, 14985), (1530, 14319), (1591, 13770), (1665, 13158), (1887, 11610), (1935, 11322), (1998, 10965), (2193, 9990), (2295, 9546), (2322, 9435), (2754, 7955), (2997, 7310), (3145, 6966), (3182, 6885), (3330, 6579), (3483, 6290), (3655, 5994), (3774, 5805), (3870, 5661), (4386, 4995), (4590, 4773)]