21000908026

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{48389189}}^1$

素因数の和:48389229

約数の個数: 16

約数和(自身を含む): 37162897920

約数和(自身を除く): 16161989894

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 48389189, 96778378, 338724323, 677448646, 1500064859, 3000129718, 10500454013, 21000908026]

約数ペア:

[(1, 21000908026), (2, 10500454013), (7, 3000129718), (14, 1500064859), (31, 677448646), (62, 338724323), (217, 96778378), (434, 48389189)]