21244072

素因数分解:

$2^3\times {\mathrm{317}}^1\times {\mathrm{8377}}^1$

素因数の和:8700

約数の個数: 16

約数和(自身を含む): 39963060

約数和(自身を除く): 18718988

約数列:

[1, 2, 4, 8, 317, 634, 1268, 2536, 8377, 16754, 33508, 67016, 2655509, 5311018, 10622036, 21244072]

約数ペア:

[(1, 21244072), (2, 10622036), (4, 5311018), (8, 2655509), (317, 67016), (634, 33508), (1268, 16754), (2536, 8377)]