21810607

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2693}}^1$

素因数の和:2802

約数の個数: 16

約数和(自身を含む): 27155520

約数和(自身を除く): 5344913

約数列:

[1, 7, 13, 89, 91, 623, 1157, 2693, 8099, 18851, 35009, 239677, 245063, 1677739, 3115801, 21810607]

約数ペア:

[(1, 21810607), (7, 3115801), (13, 1677739), (89, 245063), (91, 239677), (623, 35009), (1157, 18851), (2693, 8099)]