21395998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{17509}}^1$

素因数の和:17571

約数の個数: 16

約数和(自身を含む): 35300160

約数和(自身を除く): 13904162

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 17509, 35018, 227617, 455234, 822923, 1645846, 10697999, 21395998]

約数ペア:

[(1, 21395998), (2, 10697999), (13, 1645846), (26, 822923), (47, 455234), (94, 227617), (611, 35018), (1222, 17509)]