21048652885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{445427}}^1$

素因数の和:446172

約数の個数: 16

約数和(自身を含む): 27238813056

約数和(自身を除く): 6190160171

約数列:

[1, 5, 13, 65, 727, 3635, 9451, 47255, 445427, 2227135, 5790551, 28952755, 323825429, 1619127145, 4209730577, 21048652885]

約数ペア:

[(1, 21048652885), (5, 4209730577), (13, 1619127145), (65, 323825429), (727, 28952755), (3635, 5790551), (9451, 2227135), (47255, 445427)]