2021071549

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1\times {\mathrm{17881}}^1$

素因数の和:18196

約数の個数: 16

約数和(自身を含む): 2354129536

約数和(自身を除く): 333057987

約数列:

[1, 7, 67, 241, 469, 1687, 16147, 17881, 113029, 125167, 1198027, 4309321, 8386189, 30165247, 288724507, 2021071549]

約数ペア:

[(1, 2021071549), (7, 288724507), (67, 30165247), (241, 8386189), (469, 4309321), (1687, 1198027), (16147, 125167), (17881, 113029)]