21987198

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{14717}}^1$

素因数の和:14808

約数の個数: 24

約数和(自身を含む): 48216168

約数和(自身を除く): 26228970

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 14717, 29434, 44151, 88302, 132453, 264906, 1221511, 2443022, 3664533, 7329066, 10993599, 21987198]

約数ペア:

[(1, 21987198), (2, 10993599), (3, 7329066), (6, 3664533), (9, 2443022), (18, 1221511), (83, 264906), (166, 132453), (249, 88302), (498, 44151), (747, 29434), (1494, 14717)]