21918978

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{5717}}^1$

素因数の和:5799

約数の個数: 32

約数和(自身を含む): 49403520

約数和(自身を除く): 27484542

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 5717, 11434, 17151, 34302, 51453, 102906, 154359, 308718, 405907, 811814, 1217721, 2435442, 3653163, 7306326, 10959489, 21918978]

約数ペア:

[(1, 21918978), (2, 10959489), (3, 7306326), (6, 3653163), (9, 2435442), (18, 1217721), (27, 811814), (54, 405907), (71, 308718), (142, 154359), (213, 102906), (426, 51453), (639, 34302), (1278, 17151), (1917, 11434), (3834, 5717)]