21426675

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{2621}}^1$

素因数の和:2743

約数の個数: 24

約数和(自身を含む): 35764080

約数和(自身を除く): 14337405

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1635, 2621, 2725, 7863, 8175, 13105, 39315, 65525, 196575, 285689, 857067, 1428445, 4285335, 7142225, 21426675]

約数ペア:

[(1, 21426675), (3, 7142225), (5, 4285335), (15, 1428445), (25, 857067), (75, 285689), (109, 196575), (327, 65525), (545, 39315), (1635, 13105), (2621, 8175), (2725, 7863)]