21787205330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198065503}}^1$

素因数の和:198065521

約数の個数: 16

約数和(自身を含む): 42782148864

約数和(自身を除く): 20994943534

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 198065503, 396131006, 990327515, 1980655030, 2178720533, 4357441066, 10893602665, 21787205330]

約数ペア:

[(1, 21787205330), (2, 10893602665), (5, 4357441066), (10, 2178720533), (11, 1980655030), (22, 990327515), (55, 396131006), (110, 198065503)]