21106595

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 26157600

約数和(自身を除く): 5051005

約数列:

[1, 5, 41, 149, 205, 691, 745, 3455, 6109, 28331, 30545, 102959, 141655, 514795, 4221319, 21106595]

約数ペア:

[(1, 21106595), (5, 4221319), (41, 514795), (149, 141655), (205, 102959), (691, 30545), (745, 28331), (3455, 6109)]