21986021915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{30749681}}^1$

素因数の和:30749710

約数の個数: 16

約数和(自身を含む): 30995679456

約数和(自身を除く): 9009657541

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 30749681, 153748405, 338246491, 399745853, 1691232455, 1998729265, 4397204383, 21986021915]

約数ペア:

[(1, 21986021915), (5, 4397204383), (11, 1998729265), (13, 1691232455), (55, 399745853), (65, 338246491), (143, 153748405), (715, 30749681)]