21179807

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2137}}^1$

素因数の和:2218

約数の個数: 16

約数和(自身を含む): 24937632

約数和(自身を除く): 3757825

約数列:

[1, 11, 17, 53, 187, 583, 901, 2137, 9911, 23507, 36329, 113261, 399619, 1245871, 1925437, 21179807]

約数ペア:

[(1, 21179807), (11, 1925437), (17, 1245871), (53, 399619), (187, 113261), (583, 36329), (901, 23507), (2137, 9911)]