21031062

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 49835520

約数和(自身を除く): 28804458

約数列:

[1, 2, 3, 6, 13, 19, 23, 26, 38, 39, 46, 57, 69, 78, 114, 138, 247, 299, 437, 494, 598, 617, 741, 874, 897, 1234, 1311, 1482, 1794, 1851, 2622, 3702, 5681, 8021, 11362, 11723, 14191, 16042, 17043, 23446, 24063, 28382, 34086, 35169, 42573, 48126, 70338, 85146, 152399, 184483, 269629, 304798, 368966, 457197, 539258, 553449, 808887, 914394, 1106898, 1617774, 3505177, 7010354, 10515531, 21031062]

約数ペア:

[(1, 21031062), (2, 10515531), (3, 7010354), (6, 3505177), (13, 1617774), (19, 1106898), (23, 914394), (26, 808887), (38, 553449), (39, 539258), (46, 457197), (57, 368966), (69, 304798), (78, 269629), (114, 184483), (138, 152399), (247, 85146), (299, 70338), (437, 48126), (494, 42573), (598, 35169), (617, 34086), (741, 28382), (874, 24063), (897, 23446), (1234, 17043), (1311, 16042), (1482, 14191), (1794, 11723), (1851, 11362), (2622, 8021), (3702, 5681)]