21000362875

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{4540619}}^1$

素因数の和:4540671

約数の個数: 16

約数和(自身を含む): 26916795360

約数和(自身を除く): 5916432485

約数列:

[1, 5, 25, 37, 125, 185, 925, 4625, 4540619, 22703095, 113515475, 168002903, 567577375, 840014515, 4200072575, 21000362875]

約数ペア:

[(1, 21000362875), (5, 4200072575), (25, 840014515), (37, 567577375), (125, 168002903), (185, 113515475), (925, 22703095), (4625, 4540619)]