21024376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{154591}}^1$

素因数の和:154614

約数の個数: 16

約数和(自身を含む): 41739840

約数和(自身を除く): 20715464

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 154591, 309182, 618364, 1236728, 2628047, 5256094, 10512188, 21024376]

約数ペア:

[(1, 21024376), (2, 10512188), (4, 5256094), (8, 2628047), (17, 1236728), (34, 618364), (68, 309182), (136, 154591)]