21836902

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2521}}^1$

素因数の和:2655

約数の個数: 16

約数和(自身を含む): 33774624

約数和(自身を除く): 11937722

約数列:

[1, 2, 61, 71, 122, 142, 2521, 4331, 5042, 8662, 153781, 178991, 307562, 357982, 10918451, 21836902]

約数ペア:

[(1, 21836902), (2, 10918451), (61, 357982), (71, 307562), (122, 178991), (142, 153781), (2521, 8662), (4331, 5042)]