21496445

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{887}}^1$

素因数の和:1060

約数の個数: 16

約数和(自身を含む): 26725248

約数和(自身を除く): 5228803

約数列:

[1, 5, 37, 131, 185, 655, 887, 4435, 4847, 24235, 32819, 116197, 164095, 580985, 4299289, 21496445]

約数ペア:

[(1, 21496445), (5, 4299289), (37, 580985), (131, 164095), (185, 116197), (655, 32819), (887, 24235), (4435, 4847)]