21987204

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{17789}}^1$

素因数の和:17899

約数の個数: 24

約数和(自身を含む): 51804480

約数和(自身を除く): 29817276

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 17789, 35578, 53367, 71156, 106734, 213468, 1832267, 3664534, 5496801, 7329068, 10993602, 21987204]

約数ペア:

[(1, 21987204), (2, 10993602), (3, 7329068), (4, 5496801), (6, 3664534), (12, 1832267), (103, 213468), (206, 106734), (309, 71156), (412, 53367), (618, 35578), (1236, 17789)]