21910675

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 28061696

約数和(自身を除く): 6151021

約数列:

[1, 5, 25, 67, 103, 127, 335, 515, 635, 1675, 2575, 3175, 6901, 8509, 13081, 34505, 42545, 65405, 172525, 212725, 327025, 876427, 4382135, 21910675]

約数ペア:

[(1, 21910675), (5, 4382135), (25, 876427), (67, 327025), (103, 212725), (127, 172525), (335, 65405), (515, 42545), (635, 34505), (1675, 13081), (2575, 8509), (3175, 6901)]