21685796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1489}}^1$

素因数の和:1835

約数の個数: 24

約数和(自身を含む): 41553120

約数和(自身を除く): 19867324

約数列:

[1, 2, 4, 11, 22, 44, 331, 662, 1324, 1489, 2978, 3641, 5956, 7282, 14564, 16379, 32758, 65516, 492859, 985718, 1971436, 5421449, 10842898, 21685796]

約数ペア:

[(1, 21685796), (2, 10842898), (4, 5421449), (11, 1971436), (22, 985718), (44, 492859), (331, 65516), (662, 32758), (1324, 16379), (1489, 14564), (2978, 7282), (3641, 5956)]