21692715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4241}}^1$

素因数の和:4291

約数の個数: 32

約数和(自身を含む): 39094272

約数和(自身を除く): 17401557

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 4241, 5115, 12723, 21205, 46651, 63615, 131471, 139953, 233255, 394413, 657355, 699765, 1446181, 1972065, 4338543, 7230905, 21692715]

約数ペア:

[(1, 21692715), (3, 7230905), (5, 4338543), (11, 1972065), (15, 1446181), (31, 699765), (33, 657355), (55, 394413), (93, 233255), (155, 139953), (165, 131471), (341, 63615), (465, 46651), (1023, 21205), (1705, 12723), (4241, 5115)]