21850684

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2687}}^1$

素因数の和:2817

約数の個数: 24

約数和(自身を含む): 40642560

約数和(自身を除く): 18791876

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 2687, 4066, 5374, 8132, 10748, 51053, 102106, 204212, 287509, 575018, 1150036, 5462671, 10925342, 21850684]

約数ペア:

[(1, 21850684), (2, 10925342), (4, 5462671), (19, 1150036), (38, 575018), (76, 287509), (107, 204212), (214, 102106), (428, 51053), (2033, 10748), (2687, 8132), (4066, 5374)]