21089610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7559}}^1$

素因数の和:7603

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 35519670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7559, 15118, 22677, 37795, 45354, 68031, 75590, 113385, 136062, 226770, 234329, 340155, 468658, 680310, 702987, 1171645, 1405974, 2108961, 2343290, 3514935, 4217922, 7029870, 10544805, 21089610]

約数ペア:

[(1, 21089610), (2, 10544805), (3, 7029870), (5, 4217922), (6, 3514935), (9, 2343290), (10, 2108961), (15, 1405974), (18, 1171645), (30, 702987), (31, 680310), (45, 468658), (62, 340155), (90, 234329), (93, 226770), (155, 136062), (186, 113385), (279, 75590), (310, 68031), (465, 45354), (558, 37795), (930, 22677), (1395, 15118), (2790, 7559)]