21995060

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{23399}}^1$

素因数の和:23455

約数の個数: 24

約数和(自身を含む): 47174400

約数和(自身を除く): 25179340

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 23399, 46798, 93596, 116995, 233990, 467980, 1099753, 2199506, 4399012, 5498765, 10997530, 21995060]

約数ペア:

[(1, 21995060), (2, 10997530), (4, 5498765), (5, 4399012), (10, 2199506), (20, 1099753), (47, 467980), (94, 233990), (188, 116995), (235, 93596), (470, 46798), (940, 23399)]