21710060

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3863}}^1$

素因数の和:4153

約数の個数: 24

約数和(自身を含む): 45765216

約数和(自身を除く): 24055156

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 3863, 5620, 7726, 15452, 19315, 38630, 77260, 1085503, 2171006, 4342012, 5427515, 10855030, 21710060]

約数ペア:

[(1, 21710060), (2, 10855030), (4, 5427515), (5, 4342012), (10, 2171006), (20, 1085503), (281, 77260), (562, 38630), (1124, 19315), (1405, 15452), (2810, 7726), (3863, 5620)]