21291363886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1217}}^1\times {\mathrm{672883}}^1$

素因数の和:674115

約数の個数: 16

約数和(自身を含む): 34422053904

約数和(自身を除く): 13130690018

約数列:

[1, 2, 13, 26, 1217, 2434, 15821, 31642, 672883, 1345766, 8747479, 17494958, 818898611, 1637797222, 10645681943, 21291363886]

約数ペア:

[(1, 21291363886), (2, 10645681943), (13, 1637797222), (26, 818898611), (1217, 17494958), (2434, 8747479), (15821, 1345766), (31642, 672883)]