21305508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253637}}^1$

素因数の和:253651

約数の個数: 24

約数和(自身を含む): 56814912

約数和(自身を除く): 35509404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253637, 507274, 760911, 1014548, 1521822, 1775459, 3043644, 3550918, 5326377, 7101836, 10652754, 21305508]

約数ペア:

[(1, 21305508), (2, 10652754), (3, 7101836), (4, 5326377), (6, 3550918), (7, 3043644), (12, 1775459), (14, 1521822), (21, 1014548), (28, 760911), (42, 507274), (84, 253637)]