21971288

素因数分解:

$2^3\times {\mathrm{1301}}^1\times {\mathrm{2111}}^1$

素因数の和:3418

約数の個数: 16

約数和(自身を含む): 41247360

約数和(自身を除く): 19276072

約数列:

[1, 2, 4, 8, 1301, 2111, 2602, 4222, 5204, 8444, 10408, 16888, 2746411, 5492822, 10985644, 21971288]

約数ペア:

[(1, 21971288), (2, 10985644), (4, 5492822), (8, 2746411), (1301, 16888), (2111, 10408), (2602, 8444), (4222, 5204)]