21307404

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{17239}}^1$

素因数の和:17349

約数の個数: 24

約数和(自身を含む): 50202880

約数和(自身を除く): 28895476

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 17239, 34478, 51717, 68956, 103434, 206868, 1775617, 3551234, 5326851, 7102468, 10653702, 21307404]

約数ペア:

[(1, 21307404), (2, 10653702), (3, 7102468), (4, 5326851), (6, 3551234), (12, 1775617), (103, 206868), (206, 103434), (309, 68956), (412, 51717), (618, 34478), (1236, 17239)]