21927857

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 26188800

約数和(自身を除く): 4260943

約数列:

[1, 7, 29, 109, 203, 763, 991, 3161, 6937, 22127, 28739, 108019, 201173, 756133, 3132551, 21927857]

約数ペア:

[(1, 21927857), (7, 3132551), (29, 756133), (109, 201173), (203, 108019), (763, 28739), (991, 22127), (3161, 6937)]