21834825

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{10039}}^1$

素因数の和:10081

約数の個数: 24

約数和(自身を含む): 37348800

約数和(自身を除く): 15513975

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 10039, 30117, 50195, 150585, 250975, 291131, 752925, 873393, 1455655, 4366965, 7278275, 21834825]

約数ペア:

[(1, 21834825), (3, 7278275), (5, 4366965), (15, 1455655), (25, 873393), (29, 752925), (75, 291131), (87, 250975), (145, 150585), (435, 50195), (725, 30117), (2175, 10039)]