21369810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^2$

素因数の和:97

約数の個数: 144

約数和(自身を含む): 66725568

約数和(自身を除く): 45355758

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 29, 30, 33, 35, 42, 55, 58, 66, 70, 77, 87, 105, 110, 121, 145, 154, 165, 174, 203, 210, 231, 242, 290, 319, 330, 363, 385, 406, 435, 462, 605, 609, 638, 726, 770, 841, 847, 870, 957, 1015, 1155, 1210, 1218, 1595, 1682, 1694, 1815, 1914, 2030, 2233, 2310, 2523, 2541, 3045, 3190, 3509, 3630, 4205, 4235, 4466, 4785, 5046, 5082, 5887, 6090, 6699, 7018, 8410, 8470, 9251, 9570, 10527, 11165, 11774, 12615, 12705, 13398, 17545, 17661, 18502, 21054, 22330, 24563, 25230, 25410, 27753, 29435, 33495, 35090, 35322, 46255, 49126, 52635, 55506, 58870, 64757, 66990, 73689, 88305, 92510, 101761, 105270, 122815, 129514, 138765, 147378, 176610, 194271, 203522, 245630, 277530, 305283, 323785, 368445, 388542, 508805, 610566, 647570, 712327, 736890, 971355, 1017610, 1424654, 1526415, 1942710, 2136981, 3052830, 3561635, 4273962, 7123270, 10684905, 21369810]

約数ペア:

[(1, 21369810), (2, 10684905), (3, 7123270), (5, 4273962), (6, 3561635), (7, 3052830), (10, 2136981), (11, 1942710), (14, 1526415), (15, 1424654), (21, 1017610), (22, 971355), (29, 736890), (30, 712327), (33, 647570), (35, 610566), (42, 508805), (55, 388542), (58, 368445), (66, 323785), (70, 305283), (77, 277530), (87, 245630), (105, 203522), (110, 194271), (121, 176610), (145, 147378), (154, 138765), (165, 129514), (174, 122815), (203, 105270), (210, 101761), (231, 92510), (242, 88305), (290, 73689), (319, 66990), (330, 64757), (363, 58870), (385, 55506), (406, 52635), (435, 49126), (462, 46255), (605, 35322), (609, 35090), (638, 33495), (726, 29435), (770, 27753), (841, 25410), (847, 25230), (870, 24563), (957, 22330), (1015, 21054), (1155, 18502), (1210, 17661), (1218, 17545), (1595, 13398), (1682, 12705), (1694, 12615), (1815, 11774), (1914, 11165), (2030, 10527), (2233, 9570), (2310, 9251), (2523, 8470), (2541, 8410), (3045, 7018), (3190, 6699), (3509, 6090), (3630, 5887), (4205, 5082), (4235, 5046), (4466, 4785)]