21543260

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{18257}}^1$

素因数の和:18325

約数の個数: 24

約数和(自身を含む): 46010160

約数和(自身を除く): 24466900

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 18257, 36514, 73028, 91285, 182570, 365140, 1077163, 2154326, 4308652, 5385815, 10771630, 21543260]

約数ペア:

[(1, 21543260), (2, 10771630), (4, 5385815), (5, 4308652), (10, 2154326), (20, 1077163), (59, 365140), (118, 182570), (236, 91285), (295, 73028), (590, 36514), (1180, 18257)]