21421180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97369}}^1$

素因数の和:97389

約数の個数: 24

約数和(自身を含む): 49074480

約数和(自身を除く): 27653300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 97369, 194738, 389476, 486845, 973690, 1071059, 1947380, 2142118, 4284236, 5355295, 10710590, 21421180]

約数ペア:

[(1, 21421180), (2, 10710590), (4, 5355295), (5, 4284236), (10, 2142118), (11, 1947380), (20, 1071059), (22, 973690), (44, 486845), (55, 389476), (110, 194738), (220, 97369)]