21723184

素因数分解:

$2^4\times 7^1\times {\mathrm{193957}}^1$

素因数の和:193972

約数の個数: 20

約数和(自身を含む): 48101584

約数和(自身を除く): 26378400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193957, 387914, 775828, 1357699, 1551656, 2715398, 3103312, 5430796, 10861592, 21723184]

約数ペア:

[(1, 21723184), (2, 10861592), (4, 5430796), (7, 3103312), (8, 2715398), (14, 1551656), (16, 1357699), (28, 775828), (56, 387914), (112, 193957)]