21004354

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^2\times {\mathrm{431}}^1$

素因数の和:558

約数の個数: 24

約数和(自身を含む): 36713088

約数和(自身を除く): 15708734

約数列:

[1, 2, 7, 14, 59, 118, 413, 431, 826, 862, 3017, 3481, 6034, 6962, 24367, 25429, 48734, 50858, 178003, 356006, 1500311, 3000622, 10502177, 21004354]

約数ペア:

[(1, 21004354), (2, 10502177), (7, 3000622), (14, 1500311), (59, 356006), (118, 178003), (413, 50858), (431, 48734), (826, 25429), (862, 24367), (3017, 6962), (3481, 6034)]