21470507

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 23721984

約数和(自身を除く): 2251477

約数列:

[1, 17, 31, 131, 311, 527, 2227, 4061, 5287, 9641, 40741, 69037, 163897, 692597, 1262971, 21470507]

約数ペア:

[(1, 21470507), (17, 1262971), (31, 692597), (131, 163897), (311, 69037), (527, 40741), (2227, 9641), (4061, 5287)]