21476125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{15619}}^1$

素因数の和:15645

約数の個数: 16

約数和(自身を含む): 29240640

約数和(自身を除く): 7764515

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 15619, 78095, 171809, 390475, 859045, 1952375, 4295225, 21476125]

約数ペア:

[(1, 21476125), (5, 4295225), (11, 1952375), (25, 859045), (55, 390475), (125, 171809), (275, 78095), (1375, 15619)]