21327250

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{1741}}^1$

素因数の和:1772

約数の個数: 48

約数和(自身を含む): 46469592

約数和(自身を除く): 25142342

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 245, 250, 350, 490, 875, 1225, 1741, 1750, 2450, 3482, 6125, 8705, 12187, 12250, 17410, 24374, 43525, 60935, 85309, 87050, 121870, 170618, 217625, 304675, 426545, 435250, 609350, 853090, 1523375, 2132725, 3046750, 4265450, 10663625, 21327250]

約数ペア:

[(1, 21327250), (2, 10663625), (5, 4265450), (7, 3046750), (10, 2132725), (14, 1523375), (25, 853090), (35, 609350), (49, 435250), (50, 426545), (70, 304675), (98, 217625), (125, 170618), (175, 121870), (245, 87050), (250, 85309), (350, 60935), (490, 43525), (875, 24374), (1225, 17410), (1741, 12250), (1750, 12187), (2450, 8705), (3482, 6125)]