21820232

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10531}}^1$

素因数の和:10581

約数の個数: 32

約数和(自身を含む): 48025920

約数和(自身を除く): 26205688

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10531, 21062, 42124, 73717, 84248, 147434, 294868, 389647, 589736, 779294, 1558588, 2727529, 3117176, 5455058, 10910116, 21820232]

約数ペア:

[(1, 21820232), (2, 10910116), (4, 5455058), (7, 3117176), (8, 2727529), (14, 1558588), (28, 779294), (37, 589736), (56, 389647), (74, 294868), (148, 147434), (259, 84248), (296, 73717), (518, 42124), (1036, 21062), (2072, 10531)]