21428024

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157559}}^1$

素因数の和:157582

約数の個数: 16

約数和(自身を含む): 42541200

約数和(自身を除く): 21113176

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157559, 315118, 630236, 1260472, 2678503, 5357006, 10714012, 21428024]

約数ペア:

[(1, 21428024), (2, 10714012), (4, 5357006), (8, 2678503), (17, 1260472), (34, 630236), (68, 315118), (136, 157559)]