21527578

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{1049}}^1$

素因数の和:1413

約数の個数: 16

約数和(自身を含む): 33465600

約数和(自身を除く): 11938022

約数列:

[1, 2, 31, 62, 331, 662, 1049, 2098, 10261, 20522, 32519, 65038, 347219, 694438, 10763789, 21527578]

約数ペア:

[(1, 21527578), (2, 10763789), (31, 694438), (62, 347219), (331, 65038), (662, 32519), (1049, 20522), (2098, 10261)]