21508722183

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{9041077}}^1$

素因数の和:9041154

約数の個数: 16

約数和(自身を含む): 31390622816

約数和(自身を除く): 9881900633

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 9041077, 27123231, 117534001, 352602003, 551505697, 1654517091, 7169574061, 21508722183]

約数ペア:

[(1, 21508722183), (3, 7169574061), (13, 1654517091), (39, 551505697), (61, 352602003), (183, 117534001), (793, 27123231), (2379, 9041077)]