21619323

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1667}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 34347456

約数和(自身を除く): 12728133

約数列:

[1, 3, 9, 11, 33, 99, 131, 393, 1179, 1441, 1667, 4323, 5001, 12969, 15003, 18337, 55011, 165033, 218377, 655131, 1965393, 2402147, 7206441, 21619323]

約数ペア:

[(1, 21619323), (3, 7206441), (9, 2402147), (11, 1965393), (33, 655131), (99, 218377), (131, 165033), (393, 55011), (1179, 18337), (1441, 15003), (1667, 12969), (4323, 5001)]