21492525

素因数分解:

$3^1\times 5^2\times {\mathrm{509}}^1\times {\mathrm{563}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 35667360

約数和(自身を除く): 14174835

約数列:

[1, 3, 5, 15, 25, 75, 509, 563, 1527, 1689, 2545, 2815, 7635, 8445, 12725, 14075, 38175, 42225, 286567, 859701, 1432835, 4298505, 7164175, 21492525]

約数ペア:

[(1, 21492525), (3, 7164175), (5, 4298505), (15, 1432835), (25, 859701), (75, 286567), (509, 42225), (563, 38175), (1527, 14075), (1689, 12725), (2545, 8445), (2815, 7635)]