21348105

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 35334144

約数和(自身を除く): 13986039

約数列:

[1, 3, 5, 15, 47, 107, 141, 235, 283, 321, 535, 705, 849, 1415, 1605, 4245, 5029, 13301, 15087, 25145, 30281, 39903, 66505, 75435, 90843, 151405, 199515, 454215, 1423207, 4269621, 7116035, 21348105]

約数ペア:

[(1, 21348105), (3, 7116035), (5, 4269621), (15, 1423207), (47, 454215), (107, 199515), (141, 151405), (235, 90843), (283, 75435), (321, 66505), (535, 39903), (705, 30281), (849, 25145), (1415, 15087), (1605, 13301), (4245, 5029)]