21376750

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{2311}}^1$

素因数の和:2365

約数の個数: 32

約数和(自身を含む): 41116608

約数和(自身を除く): 19739858

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 925, 1850, 2311, 4622, 4625, 9250, 11555, 23110, 57775, 85507, 115550, 171014, 288875, 427535, 577750, 855070, 2137675, 4275350, 10688375, 21376750]

約数ペア:

[(1, 21376750), (2, 10688375), (5, 4275350), (10, 2137675), (25, 855070), (37, 577750), (50, 427535), (74, 288875), (125, 171014), (185, 115550), (250, 85507), (370, 57775), (925, 23110), (1850, 11555), (2311, 9250), (4622, 4625)]