21857084

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{6421}}^1$

素因数の和:6485

約数の個数: 24

約数和(自身を含む): 40998048

約数和(自身を除く): 19140964

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 148, 851, 1702, 3404, 6421, 12842, 25684, 147683, 237577, 295366, 475154, 590732, 950308, 5464271, 10928542, 21857084]

約数ペア:

[(1, 21857084), (2, 10928542), (4, 5464271), (23, 950308), (37, 590732), (46, 475154), (74, 295366), (92, 237577), (148, 147683), (851, 25684), (1702, 12842), (3404, 6421)]