21815306

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{1811}}^1$

素因数の和:2149

約数の個数: 16

約数和(自身を含む): 34572960

約数和(自身を除く): 12757654

約数列:

[1, 2, 19, 38, 317, 634, 1811, 3622, 6023, 12046, 34409, 68818, 574087, 1148174, 10907653, 21815306]

約数ペア:

[(1, 21815306), (2, 10907653), (19, 1148174), (38, 574087), (317, 68818), (634, 34409), (1811, 12046), (3622, 6023)]