21024980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22367}}^1$

素因数の和:22423

約数の個数: 24

約数和(自身を含む): 45093888

約数和(自身を除く): 24068908

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22367, 44734, 89468, 111835, 223670, 447340, 1051249, 2102498, 4204996, 5256245, 10512490, 21024980]

約数ペア:

[(1, 21024980), (2, 10512490), (4, 5256245), (5, 4204996), (10, 2102498), (20, 1051249), (47, 447340), (94, 223670), (188, 111835), (235, 89468), (470, 44734), (940, 22367)]