21079900933

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{645257}}^1$

素因数の和:645636

約数の個数: 16

約数和(自身を含む): 26016802560

約数和(自身を除く): 4936901627

約数列:

[1, 7, 13, 91, 359, 2513, 4667, 32669, 645257, 4516799, 8388341, 58718387, 231647263, 1621530841, 3011414419, 21079900933]

約数ペア:

[(1, 21079900933), (7, 3011414419), (13, 1621530841), (91, 231647263), (359, 58718387), (2513, 8388341), (4667, 4516799), (32669, 645257)]