21458085

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2767}}^1$

素因数の和:2833

約数の個数: 32

約数和(自身を含む): 38264832

約数和(自身を除く): 16806747

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 141, 165, 235, 517, 705, 1551, 2585, 2767, 7755, 8301, 13835, 30437, 41505, 91311, 130049, 152185, 390147, 456555, 650245, 1430539, 1950735, 4291617, 7152695, 21458085]

約数ペア:

[(1, 21458085), (3, 7152695), (5, 4291617), (11, 1950735), (15, 1430539), (33, 650245), (47, 456555), (55, 390147), (141, 152185), (165, 130049), (235, 91311), (517, 41505), (705, 30437), (1551, 13835), (2585, 8301), (2767, 7755)]