22128820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{601}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 53399808

約数和(自身を除く): 31270988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 526, 601, 1052, 1202, 1315, 1841, 2404, 2630, 3005, 3682, 4207, 5260, 6010, 7364, 8414, 9205, 12020, 16828, 18410, 21035, 36820, 42070, 84140, 158063, 316126, 632252, 790315, 1106441, 1580630, 2212882, 3161260, 4425764, 5532205, 11064410, 22128820]

約数ペア:

[(1, 22128820), (2, 11064410), (4, 5532205), (5, 4425764), (7, 3161260), (10, 2212882), (14, 1580630), (20, 1106441), (28, 790315), (35, 632252), (70, 316126), (140, 158063), (263, 84140), (526, 42070), (601, 36820), (1052, 21035), (1202, 18410), (1315, 16828), (1841, 12020), (2404, 9205), (2630, 8414), (3005, 7364), (3682, 6010), (4207, 5260)]