21280446

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3467}}^1$

素因数の和:3517

約数の個数: 48

約数和(自身を含む): 51936768

約数和(自身を除く): 30656322

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 93, 99, 186, 198, 279, 341, 558, 682, 1023, 2046, 3069, 3467, 6138, 6934, 10401, 20802, 31203, 38137, 62406, 76274, 107477, 114411, 214954, 228822, 322431, 343233, 644862, 686466, 967293, 1182247, 1934586, 2364494, 3546741, 7093482, 10640223, 21280446]

約数ペア:

[(1, 21280446), (2, 10640223), (3, 7093482), (6, 3546741), (9, 2364494), (11, 1934586), (18, 1182247), (22, 967293), (31, 686466), (33, 644862), (62, 343233), (66, 322431), (93, 228822), (99, 214954), (186, 114411), (198, 107477), (279, 76274), (341, 62406), (558, 38137), (682, 31203), (1023, 20802), (2046, 10401), (3069, 6934), (3467, 6138)]