21999156

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{107839}}^1$

素因数の和:107863

約数の個数: 24

約数和(自身を含む): 54351360

約数和(自身を除く): 32352204

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 107839, 215678, 323517, 431356, 647034, 1294068, 1833263, 3666526, 5499789, 7333052, 10999578, 21999156]

約数ペア:

[(1, 21999156), (2, 10999578), (3, 7333052), (4, 5499789), (6, 3666526), (12, 1833263), (17, 1294068), (34, 647034), (51, 431356), (68, 323517), (102, 215678), (204, 107839)]