21939675

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6803}}^1$

素因数の和:6859

約数の個数: 24

約数和(自身を含む): 37122624

約数和(自身を除く): 15182949

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 6803, 20409, 34015, 102045, 170075, 292529, 510225, 877587, 1462645, 4387935, 7313225, 21939675]

約数ペア:

[(1, 21939675), (3, 7313225), (5, 4387935), (15, 1462645), (25, 877587), (43, 510225), (75, 292529), (129, 170075), (215, 102045), (645, 34015), (1075, 20409), (3225, 6803)]