21393242

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1669}}^1$

素因数の和:1730

約数の個数: 32

約数和(自身を含む): 37875600

約数和(自身を除く): 16482358

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 221, 377, 442, 493, 754, 986, 1669, 3338, 6409, 12818, 21697, 28373, 43394, 48401, 56746, 96802, 368849, 629213, 737698, 822817, 1258426, 1645634, 10696621, 21393242]

約数ペア:

[(1, 21393242), (2, 10696621), (13, 1645634), (17, 1258426), (26, 822817), (29, 737698), (34, 629213), (58, 368849), (221, 96802), (377, 56746), (442, 48401), (493, 43394), (754, 28373), (986, 21697), (1669, 12818), (3338, 6409)]