21643531

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5801}}^1$

素因数の和:5862

約数の個数: 16

約数和(自身を含む): 27292608

約数和(自身を除く): 5649077

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5801, 40607, 75413, 237841, 527891, 1664887, 3091933, 21643531]

約数ペア:

[(1, 21643531), (7, 3091933), (13, 1664887), (41, 527891), (91, 237841), (287, 75413), (533, 40607), (3731, 5801)]