21017156251

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{929}}^1\times {\mathrm{248609}}^1$

素因数の和:249558

約数の個数: 16

約数和(自身を含む): 25895217600

約数和(自身を除く): 4878061349

約数列:

[1, 7, 13, 91, 929, 6503, 12077, 84539, 248609, 1740263, 3231917, 22623419, 230957761, 1616704327, 3002450893, 21017156251]

約数ペア:

[(1, 21017156251), (7, 3002450893), (13, 1616704327), (91, 230957761), (929, 22623419), (6503, 3231917), (12077, 1740263), (84539, 248609)]