20211528310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{184901}}^1$

素因数の和:185568

約数の個数: 32

約数和(自身を含む): 38580911712

約数和(自身を除く): 18369383402

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 643, 1286, 3215, 6430, 10931, 21862, 54655, 109310, 184901, 369802, 924505, 1849010, 3143317, 6286634, 15716585, 31433170, 118891343, 237782686, 594456715, 1188913430, 2021152831, 4042305662, 10105764155, 20211528310]

約数ペア:

[(1, 20211528310), (2, 10105764155), (5, 4042305662), (10, 2021152831), (17, 1188913430), (34, 594456715), (85, 237782686), (170, 118891343), (643, 31433170), (1286, 15716585), (3215, 6286634), (6430, 3143317), (10931, 1849010), (21862, 924505), (54655, 369802), (109310, 184901)]