21889751

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1873}}^1$

素因数の和:1946

約数の個数: 16

約数和(自身を含む): 25186560

約数和(自身を除く): 3296809

約数列:

[1, 13, 29, 31, 377, 403, 899, 1873, 11687, 24349, 54317, 58063, 706121, 754819, 1683827, 21889751]

約数ペア:

[(1, 21889751), (13, 1683827), (29, 754819), (31, 706121), (377, 58063), (403, 54317), (899, 24349), (1873, 11687)]