21164403169

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3812719}}^1$

素因数の和:3812800

約数の個数: 16

約数和(自身を含む): 26475527680

約数和(自身を除く): 5311124511

約数列:

[1, 7, 13, 61, 91, 427, 793, 5551, 3812719, 26689033, 49565347, 232575859, 346957429, 1628031013, 3023486167, 21164403169]

約数ペア:

[(1, 21164403169), (7, 3023486167), (13, 1628031013), (61, 346957429), (91, 232575859), (427, 49565347), (793, 26689033), (5551, 3812719)]