21652491

素因数分解:

$3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1523}}^1$

素因数の和:2210

約数の個数: 16

約数和(自身を含む): 33064704

約数和(自身を除く): 11412213

約数列:

[1, 3, 7, 21, 677, 1523, 2031, 4569, 4739, 10661, 14217, 31983, 1031071, 3093213, 7217497, 21652491]

約数ペア:

[(1, 21652491), (3, 7217497), (7, 3093213), (21, 1031071), (677, 31983), (1523, 14217), (2031, 10661), (4569, 4739)]