21579604

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1499}}^1$

素因数の和:1623

約数の個数: 24

約数和(自身を含む): 39060000

約数和(自身を除く): 17480396

約数列:

[1, 2, 4, 59, 61, 118, 122, 236, 244, 1499, 2998, 3599, 5996, 7198, 14396, 88441, 91439, 176882, 182878, 353764, 365756, 5394901, 10789802, 21579604]

約数ペア:

[(1, 21579604), (2, 10789802), (4, 5394901), (59, 365756), (61, 353764), (118, 182878), (122, 176882), (236, 91439), (244, 88441), (1499, 14396), (2998, 7198), (3599, 5996)]