21000209063

素因数分解:

${\mathrm{521}}^1\times {\mathrm{6553}}^1\times {\mathrm{6151}}^1$

素因数の和:13225

約数の個数: 8

約数和(自身を含む): 21047148576

約数和(自身を除く): 46939513

約数列:

[1, 521, 6151, 6553, 3204671, 3414113, 40307503, 21000209063]

約数ペア:

[(1, 21000209063), (521, 40307503), (6151, 3414113), (6553, 3204671)]