21618098

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{809}}^1$

素因数の和:1273

約数の個数: 16

約数和(自身を含む): 33592320

約数和(自身を除く): 11974222

約数列:

[1, 2, 31, 62, 431, 809, 862, 1618, 13361, 25079, 26722, 50158, 348679, 697358, 10809049, 21618098]

約数ペア:

[(1, 21618098), (2, 10809049), (31, 697358), (62, 348679), (431, 50158), (809, 26722), (862, 25079), (1618, 13361)]