21000362885

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{659}}^1\times {\mathrm{63103}}^1$

素因数の和:63868

約数の個数: 16

約数和(自身を含む): 25488967680

約数和(自身を除く): 4488604795

約数列:

[1, 5, 101, 505, 659, 3295, 63103, 66559, 315515, 332795, 6373403, 31867015, 41584877, 207924385, 4200072577, 21000362885]

約数ペア:

[(1, 21000362885), (5, 4200072577), (101, 207924385), (505, 41584877), (659, 31867015), (3295, 6373403), (63103, 332795), (66559, 315515)]