21370425

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{3433}}^1$

素因数の和:3529

約数の個数: 24

約数和(自身を含む): 35768544

約数和(自身を除く): 14398119

約数列:

[1, 3, 5, 15, 25, 75, 83, 249, 415, 1245, 2075, 3433, 6225, 10299, 17165, 51495, 85825, 257475, 284939, 854817, 1424695, 4274085, 7123475, 21370425]

約数ペア:

[(1, 21370425), (3, 7123475), (5, 4274085), (15, 1424695), (25, 854817), (75, 284939), (83, 257475), (249, 85825), (415, 51495), (1245, 17165), (2075, 10299), (3433, 6225)]