21232611

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 13361949

約数列:

[1, 3, 9, 23, 27, 29, 69, 81, 87, 131, 207, 243, 261, 393, 621, 667, 783, 1179, 1863, 2001, 2349, 3013, 3537, 3799, 5589, 6003, 7047, 9039, 10611, 11397, 18009, 27117, 31833, 34191, 54027, 81351, 87377, 102573, 162081, 244053, 262131, 307719, 732159, 786393, 923157, 2359179, 7077537, 21232611]

約数ペア:

[(1, 21232611), (3, 7077537), (9, 2359179), (23, 923157), (27, 786393), (29, 732159), (69, 307719), (81, 262131), (87, 244053), (131, 162081), (207, 102573), (243, 87377), (261, 81351), (393, 54027), (621, 34191), (667, 31833), (783, 27117), (1179, 18009), (1863, 11397), (2001, 10611), (2349, 9039), (3013, 7047), (3537, 6003), (3799, 5589)]