21060225

素因数分解:

$3^2\times 5^2\times {\mathrm{93601}}^1$

素因数の和:93617

約数の個数: 18

約数和(自身を含む): 37721606

約数和(自身を除く): 16661381

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 93601, 280803, 468005, 842409, 1404015, 2340025, 4212045, 7020075, 21060225]

約数ペア:

[(1, 21060225), (3, 7020075), (5, 4212045), (9, 2340025), (15, 1404015), (25, 842409), (45, 468005), (75, 280803), (225, 93601)]