21131933768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2203079}}^1$

素因数の和:2203205

約数の個数: 32

約数和(自身を含む): 43620984000

約数和(自身を除く): 22489050232

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 2398, 4796, 9592, 2203079, 4406158, 8812316, 17624632, 24233869, 48467738, 96935476, 193870952, 240135611, 480271222, 960542444, 1921084888, 2641491721, 5282983442, 10565966884, 21131933768]

約数ペア:

[(1, 21131933768), (2, 10565966884), (4, 5282983442), (8, 2641491721), (11, 1921084888), (22, 960542444), (44, 480271222), (88, 240135611), (109, 193870952), (218, 96935476), (436, 48467738), (872, 24233869), (1199, 17624632), (2398, 8812316), (4796, 4406158), (9592, 2203079)]