21331562

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{5309}}^1$

素因数の和:5366

約数の個数: 24

約数和(自身を含む): 38136420

約数和(自身を除く): 16804858

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 5309, 10618, 37163, 74326, 217669, 260141, 435338, 520282, 1523683, 3047366, 10665781, 21331562]

約数ペア:

[(1, 21331562), (2, 10665781), (7, 3047366), (14, 1523683), (41, 520282), (49, 435338), (82, 260141), (98, 217669), (287, 74326), (574, 37163), (2009, 10618), (4018, 5309)]