21722885

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4049}}^1$

素因数の和:4120

約数の個数: 16

約数和(自身を含む): 27702000

約数和(自身を除く): 5979115

約数列:

[1, 5, 29, 37, 145, 185, 1073, 4049, 5365, 20245, 117421, 149813, 587105, 749065, 4344577, 21722885]

約数ペア:

[(1, 21722885), (5, 4344577), (29, 749065), (37, 587105), (145, 149813), (185, 117421), (1073, 20245), (4049, 5365)]