21704605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1471}}^1$

素因数の和:1716

約数の個数: 16

約数和(自身を含む): 28191744

約数和(自身を除く): 6487139

約数列:

[1, 5, 13, 65, 227, 1135, 1471, 2951, 7355, 14755, 19123, 95615, 333917, 1669585, 4340921, 21704605]

約数ペア:

[(1, 21704605), (5, 4340921), (13, 1669585), (65, 333917), (227, 95615), (1135, 19123), (1471, 14755), (2951, 7355)]