21928031705

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{1597}}^1\times {\mathrm{20963}}^1$

素因数の和:22696

約数の個数: 16

約数和(自身を含む): 26532373824

約数和(自身を除く): 4604342119

約数列:

[1, 5, 131, 655, 1597, 7985, 20963, 104815, 209207, 1046035, 2746153, 13730765, 33477911, 167389555, 4385606341, 21928031705]

約数ペア:

[(1, 21928031705), (5, 4385606341), (131, 167389555), (655, 33477911), (1597, 13730765), (7985, 2746153), (20963, 1046035), (104815, 209207)]