21902590

素因数分解:

$2^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{6101}}^1$

素因数の和:6467

約数の個数: 16

約数和(自身を含む): 39540960

約数和(自身を除く): 17638370

約数列:

[1, 2, 5, 10, 359, 718, 1795, 3590, 6101, 12202, 30505, 61010, 2190259, 4380518, 10951295, 21902590]

約数ペア:

[(1, 21902590), (2, 10951295), (5, 4380518), (10, 2190259), (359, 61010), (718, 30505), (1795, 12202), (3590, 6101)]