21370832

素因数分解:

$2^4\times 7^1\times {\mathrm{190811}}^1$

素因数の和:190826

約数の個数: 20

約数和(自身を含む): 47321376

約数和(自身を除く): 25950544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 190811, 381622, 763244, 1335677, 1526488, 2671354, 3052976, 5342708, 10685416, 21370832]

約数ペア:

[(1, 21370832), (2, 10685416), (4, 5342708), (7, 3052976), (8, 2671354), (14, 1526488), (16, 1335677), (28, 763244), (56, 381622), (112, 190811)]