21797272

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3779}}^1$

素因数の和:3895

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 25377128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3779, 5768, 7558, 15116, 26453, 30232, 52906, 105812, 211624, 389237, 778474, 1556948, 2724659, 3113896, 5449318, 10898636, 21797272]

約数ペア:

[(1, 21797272), (2, 10898636), (4, 5449318), (7, 3113896), (8, 2724659), (14, 1556948), (28, 778474), (56, 389237), (103, 211624), (206, 105812), (412, 52906), (721, 30232), (824, 26453), (1442, 15116), (2884, 7558), (3779, 5768)]