21032975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 27446160

約数和(自身を除く): 6413185

約数列:

[1, 5, 25, 29, 67, 145, 335, 433, 725, 1675, 1943, 2165, 9715, 10825, 12557, 29011, 48575, 62785, 145055, 313925, 725275, 841319, 4206595, 21032975]

約数ペア:

[(1, 21032975), (5, 4206595), (25, 841319), (29, 725275), (67, 313925), (145, 145055), (335, 62785), (433, 48575), (725, 29011), (1675, 12557), (1943, 10825), (2165, 9715)]