21626710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{593}}^1$

素因数の和:1128

約数の個数: 32

約数和(自身を含む): 44649792

約数和(自身を除く): 23023082

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 521, 593, 1042, 1186, 2605, 2965, 3647, 4151, 5210, 5930, 7294, 8302, 18235, 20755, 36470, 41510, 308953, 617906, 1544765, 2162671, 3089530, 4325342, 10813355, 21626710]

約数ペア:

[(1, 21626710), (2, 10813355), (5, 4325342), (7, 3089530), (10, 2162671), (14, 1544765), (35, 617906), (70, 308953), (521, 41510), (593, 36470), (1042, 20755), (1186, 18235), (2605, 8302), (2965, 7294), (3647, 5930), (4151, 5210)]