21966800

素因数分解:

$2^4\times 5^2\times {\mathrm{54917}}^1$

素因数の和:54935

約数の個数: 30

約数和(自身を含む): 52776198

約数和(自身を除く): 30809398

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 54917, 109834, 219668, 274585, 439336, 549170, 878672, 1098340, 1372925, 2196680, 2745850, 4393360, 5491700, 10983400, 21966800]

約数ペア:

[(1, 21966800), (2, 10983400), (4, 5491700), (5, 4393360), (8, 2745850), (10, 2196680), (16, 1372925), (20, 1098340), (25, 878672), (40, 549170), (50, 439336), (80, 274585), (100, 219668), (200, 109834), (400, 54917)]