21377481604

素因数分解:

$2^2\times {\mathrm{1531}}^1\times {\mathrm{3490771}}^1$

素因数の和:3492306

約数の個数: 12

約数和(自身を含む): 37435038928

約数和(自身を除く): 16057557324

約数列:

[1, 2, 4, 1531, 3062, 6124, 3490771, 6981542, 13963084, 5344370401, 10688740802, 21377481604]

約数ペア:

[(1, 21377481604), (2, 10688740802), (4, 5344370401), (1531, 13963084), (3062, 6981542), (6124, 3490771)]