21744305

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 29008896

約数和(自身を除く): 7264591

約数列:

[1, 5, 11, 55, 121, 127, 283, 605, 635, 1397, 1415, 3113, 6985, 15367, 15565, 34243, 35941, 76835, 171215, 179705, 395351, 1976755, 4348861, 21744305]

約数ペア:

[(1, 21744305), (5, 4348861), (11, 1976755), (55, 395351), (121, 179705), (127, 171215), (283, 76835), (605, 35941), (635, 34243), (1397, 15565), (1415, 15367), (3113, 6985)]