21833981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:476

約数の個数: 16

約数和(自身を含む): 24319680

約数和(自身を除く): 2485699

約数列:

[1, 13, 43, 139, 281, 559, 1807, 3653, 5977, 12083, 39059, 77701, 157079, 507767, 1679537, 21833981]

約数ペア:

[(1, 21833981), (13, 1679537), (43, 507767), (139, 157079), (281, 77701), (559, 39059), (1807, 12083), (3653, 5977)]