21109426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{5449}}^1$

素因数の和:5613

約数の個数: 16

約数和(自身を含む): 34335000

約数和(自身を除く): 13225574

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 5449, 10898, 70837, 141674, 811901, 1623802, 10554713, 21109426]

約数ペア:

[(1, 21109426), (2, 10554713), (13, 1623802), (26, 811901), (149, 141674), (298, 70837), (1937, 10898), (3874, 5449)]