21167019657

素因数分解:

$3^3\times 7^2\times {\mathrm{15999259}}^1$

素因数の和:15999282

約数の個数: 24

約数和(自身を含む): 36478312800

約数和(自身を除く): 15311293143

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15999259, 47997777, 111994813, 143993331, 335984439, 431979993, 783963691, 1007953317, 2351891073, 3023859951, 7055673219, 21167019657]

約数ペア:

[(1, 21167019657), (3, 7055673219), (7, 3023859951), (9, 2351891073), (21, 1007953317), (27, 783963691), (49, 431979993), (63, 335984439), (147, 143993331), (189, 111994813), (441, 47997777), (1323, 15999259)]