21321750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{28429}}^1$

素因数の和:28449

約数の個数: 32

約数和(自身を含む): 53220960

約数和(自身を除く): 31899210

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 750, 28429, 56858, 85287, 142145, 170574, 284290, 426435, 710725, 852870, 1421450, 2132175, 3553625, 4264350, 7107250, 10660875, 21321750]

約数ペア:

[(1, 21321750), (2, 10660875), (3, 7107250), (5, 4264350), (6, 3553625), (10, 2132175), (15, 1421450), (25, 852870), (30, 710725), (50, 426435), (75, 284290), (125, 170574), (150, 142145), (250, 85287), (375, 56858), (750, 28429)]