21668856

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 59529600

約数和(自身を除く): 37860744

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 211, 264, 389, 422, 633, 778, 844, 1167, 1266, 1556, 1688, 2321, 2334, 2532, 3112, 4279, 4642, 4668, 5064, 6963, 8558, 9284, 9336, 12837, 13926, 17116, 18568, 25674, 27852, 34232, 51348, 55704, 82079, 102696, 164158, 246237, 328316, 492474, 656632, 902869, 984948, 1805738, 1969896, 2708607, 3611476, 5417214, 7222952, 10834428, 21668856]

約数ペア:

[(1, 21668856), (2, 10834428), (3, 7222952), (4, 5417214), (6, 3611476), (8, 2708607), (11, 1969896), (12, 1805738), (22, 984948), (24, 902869), (33, 656632), (44, 492474), (66, 328316), (88, 246237), (132, 164158), (211, 102696), (264, 82079), (389, 55704), (422, 51348), (633, 34232), (778, 27852), (844, 25674), (1167, 18568), (1266, 17116), (1556, 13926), (1688, 12837), (2321, 9336), (2334, 9284), (2532, 8558), (3112, 6963), (4279, 5064), (4642, 4668)]