21578576

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79333}}^1$

素因数の和:79358

約数の個数: 20

約数和(自身を含む): 44268372

約数和(自身を除く): 22689796

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79333, 158666, 317332, 634664, 1269328, 1348661, 2697322, 5394644, 10789288, 21578576]

約数ペア:

[(1, 21578576), (2, 10789288), (4, 5394644), (8, 2697322), (16, 1348661), (17, 1269328), (34, 634664), (68, 317332), (136, 158666), (272, 79333)]