21101868

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4217}}^1$

素因数の和:4366

約数の個数: 36

約数和(自身を含む): 53737320

約数和(自身を除く): 32635452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 4217, 5004, 8434, 12651, 16868, 25302, 37953, 50604, 75906, 151812, 586163, 1172326, 1758489, 2344652, 3516978, 5275467, 7033956, 10550934, 21101868]

約数ペア:

[(1, 21101868), (2, 10550934), (3, 7033956), (4, 5275467), (6, 3516978), (9, 2344652), (12, 1758489), (18, 1172326), (36, 586163), (139, 151812), (278, 75906), (417, 50604), (556, 37953), (834, 25302), (1251, 16868), (1668, 12651), (2502, 8434), (4217, 5004)]