21058000

素因数分解:

$2^4\times 5^3\times {\mathrm{10529}}^1$

素因数の和:10552

約数の個数: 40

約数和(自身を含む): 50923080

約数和(自身を除く): 29865080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 10529, 21058, 42116, 52645, 84232, 105290, 168464, 210580, 263225, 421160, 526450, 842320, 1052900, 1316125, 2105800, 2632250, 4211600, 5264500, 10529000, 21058000]

約数ペア:

[(1, 21058000), (2, 10529000), (4, 5264500), (5, 4211600), (8, 2632250), (10, 2105800), (16, 1316125), (20, 1052900), (25, 842320), (40, 526450), (50, 421160), (80, 263225), (100, 210580), (125, 168464), (200, 105290), (250, 84232), (400, 52645), (500, 42116), (1000, 21058), (2000, 10529)]