21702175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1489}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 29931120

約数和(自身を除く): 8228945

約数列:

[1, 5, 11, 25, 53, 55, 265, 275, 583, 1325, 1489, 2915, 7445, 14575, 16379, 37225, 78917, 81895, 394585, 409475, 868087, 1972925, 4340435, 21702175]

約数ペア:

[(1, 21702175), (5, 4340435), (11, 1972925), (25, 868087), (53, 409475), (55, 394585), (265, 81895), (275, 78917), (583, 37225), (1325, 16379), (1489, 14575), (2915, 7445)]