21493524

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4751}}^1$

素因数の和:4800

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 34389996

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 174, 348, 377, 754, 1131, 1508, 2262, 4524, 4751, 9502, 14253, 19004, 28506, 57012, 61763, 123526, 137779, 185289, 247052, 275558, 370578, 413337, 551116, 741156, 826674, 1653348, 1791127, 3582254, 5373381, 7164508, 10746762, 21493524]

約数ペア:

[(1, 21493524), (2, 10746762), (3, 7164508), (4, 5373381), (6, 3582254), (12, 1791127), (13, 1653348), (26, 826674), (29, 741156), (39, 551116), (52, 413337), (58, 370578), (78, 275558), (87, 247052), (116, 185289), (156, 137779), (174, 123526), (348, 61763), (377, 57012), (754, 28506), (1131, 19004), (1508, 14253), (2262, 9502), (4524, 4751)]