21135604

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4217}}^1$

素因数の和:4407

約数の個数: 24

約数和(自身を含む): 42517440

約数和(自身を除く): 21381836

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 4217, 5012, 8434, 16868, 29519, 59038, 118076, 754843, 1509686, 3019372, 5283901, 10567802, 21135604]

約数ペア:

[(1, 21135604), (2, 10567802), (4, 5283901), (7, 3019372), (14, 1509686), (28, 754843), (179, 118076), (358, 59038), (716, 29519), (1253, 16868), (2506, 8434), (4217, 5012)]