21858196

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{499}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 39312000

約数和(自身を除く): 17453804

約数列:

[1, 2, 4, 47, 94, 188, 233, 466, 499, 932, 998, 1996, 10951, 21902, 23453, 43804, 46906, 93812, 116267, 232534, 465068, 5464549, 10929098, 21858196]

約数ペア:

[(1, 21858196), (2, 10929098), (4, 5464549), (47, 465068), (94, 232534), (188, 116267), (233, 93812), (466, 46906), (499, 43804), (932, 23453), (998, 21902), (1996, 10951)]