21044559039

素因数分解:

$3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{2644121}}^1$

素因数の和:2644510

約数の個数: 16

約数和(自身を含む): 32152523520

約数和(自身を除く): 11107964481

約数列:

[1, 3, 7, 21, 379, 1137, 2653, 7959, 2644121, 7932363, 18508847, 55526541, 1002121859, 3006365577, 7014853013, 21044559039]

約数ペア:

[(1, 21044559039), (3, 7014853013), (7, 3006365577), (21, 1002121859), (379, 55526541), (1137, 18508847), (2653, 7932363), (7959, 2644121)]