21427758

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3491}}^1$

素因数の和:3541

約数の個数: 48

約数和(自身を含む): 52296192

約数和(自身を除く): 30868434

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, 3491, 6138, 6982, 10473, 20946, 31419, 38401, 62838, 76802, 108221, 115203, 216442, 230406, 324663, 345609, 649326, 691218, 973989, 1190431, 1947978, 2380862, 3571293, 7142586, 10713879, 21427758]

約数ペア:

[(1, 21427758), (2, 10713879), (3, 7142586), (6, 3571293), (9, 2380862), (11, 1947978), (18, 1190431), (22, 973989), (31, 691218), (33, 649326), (62, 345609), (66, 324663), (93, 230406), (99, 216442), (186, 115203), (198, 108221), (279, 76802), (341, 62838), (558, 38401), (682, 31419), (1023, 20946), (2046, 10473), (3069, 6982), (3491, 6138)]