21712625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{15791}}^1$

素因数の和:15817

約数の個数: 16

約数和(自身を含む): 29562624

約数和(自身を除く): 7849999

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 15791, 78955, 173701, 394775, 868505, 1973875, 4342525, 21712625]

約数ペア:

[(1, 21712625), (5, 4342525), (11, 1973875), (25, 868505), (55, 394775), (125, 173701), (275, 78955), (1375, 15791)]