21708592

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79811}}^1$

素因数の和:79836

約数の個数: 20

約数和(自身を含む): 44535096

約数和(自身を除く): 22826504

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79811, 159622, 319244, 638488, 1276976, 1356787, 2713574, 5427148, 10854296, 21708592]

約数ペア:

[(1, 21708592), (2, 10854296), (4, 5427148), (8, 2713574), (16, 1356787), (17, 1276976), (34, 638488), (68, 319244), (136, 159622), (272, 79811)]