21842054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{1871}}^1$

素因数の和:2335

約数の個数: 16

約数和(自身を含む): 35380800

約数和(自身を除く): 13538746

約数列:

[1, 2, 13, 26, 449, 898, 1871, 3742, 5837, 11674, 24323, 48646, 840079, 1680158, 10921027, 21842054]

約数ペア:

[(1, 21842054), (2, 10921027), (13, 1680158), (26, 840079), (449, 48646), (898, 24323), (1871, 11674), (3742, 5837)]