21279270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{757}}^1\times {\mathrm{937}}^1$

素因数の和:1704

約数の個数: 32

約数和(自身を含む): 51192288

約数和(自身を除く): 29913018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 757, 937, 1514, 1874, 2271, 2811, 3785, 4542, 4685, 5622, 7570, 9370, 11355, 14055, 22710, 28110, 709309, 1418618, 2127927, 3546545, 4255854, 7093090, 10639635, 21279270]

約数ペア:

[(1, 21279270), (2, 10639635), (3, 7093090), (5, 4255854), (6, 3546545), (10, 2127927), (15, 1418618), (30, 709309), (757, 28110), (937, 22710), (1514, 14055), (1874, 11355), (2271, 9370), (2811, 7570), (3785, 5622), (4542, 4685)]