21533036

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18757}}^1$

素因数の和:18809

約数の個数: 24

約数和(自身を含む): 44118816

約数和(自身を除く): 22585780

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 18757, 37514, 75028, 131299, 262598, 525196, 769037, 1538074, 3076148, 5383259, 10766518, 21533036]

約数ペア:

[(1, 21533036), (2, 10766518), (4, 5383259), (7, 3076148), (14, 1538074), (28, 769037), (41, 525196), (82, 262598), (164, 131299), (287, 75028), (574, 37514), (1148, 18757)]