21000659359

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{145991}}^1$

素因数の和:146190

約数の個数: 16

約数和(自身を含む): 22634599680

約数和(自身を除く): 1633940321

約数列:

[1, 19, 67, 113, 1273, 2147, 7571, 143849, 145991, 2773829, 9781397, 16496983, 185846543, 313442677, 1105297861, 21000659359]

約数ペア:

[(1, 21000659359), (19, 1105297861), (67, 313442677), (113, 185846543), (1273, 16496983), (2147, 9781397), (7571, 2773829), (143849, 145991)]