21026030

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51283}}^1$

素因数の和:51331

約数の個数: 16

約数和(自身を含む): 38770704

約数和(自身を除く): 17744674

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 51283, 102566, 256415, 512830, 2102603, 4205206, 10513015, 21026030]

約数ペア:

[(1, 21026030), (2, 10513015), (5, 4205206), (10, 2102603), (41, 512830), (82, 256415), (205, 102566), (410, 51283)]