21797125

素因数分解:

$5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{859}}^1$

素因数の和:910

約数の個数: 32

約数和(自身を含む): 32198400

約数和(自身を除く): 10401275

約数列:

[1, 5, 7, 25, 29, 35, 125, 145, 175, 203, 725, 859, 875, 1015, 3625, 4295, 5075, 6013, 21475, 24911, 25375, 30065, 107375, 124555, 150325, 174377, 622775, 751625, 871885, 3113875, 4359425, 21797125]

約数ペア:

[(1, 21797125), (5, 4359425), (7, 3113875), (25, 871885), (29, 751625), (35, 622775), (125, 174377), (145, 150325), (175, 124555), (203, 107375), (725, 30065), (859, 25375), (875, 24911), (1015, 21475), (3625, 6013), (4295, 5075)]