221015524

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{21227}}^1$

素因数の和:21387

約数の個数: 24

約数和(自身を含む): 410124960

約数和(自身を除く): 189109436

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 2603, 5206, 10412, 21227, 42454, 84908, 403313, 806626, 1613252, 2908099, 5816198, 11632396, 55253881, 110507762, 221015524]

約数ペア:

[(1, 221015524), (2, 110507762), (4, 55253881), (19, 11632396), (38, 5816198), (76, 2908099), (137, 1613252), (274, 806626), (548, 403313), (2603, 84908), (5206, 42454), (10412, 21227)]