21936530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:975

約数の個数: 64

約数和(自身を含む): 50872320

約数和(自身を除く): 28935790

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 77, 110, 154, 155, 217, 310, 341, 385, 434, 682, 770, 919, 1085, 1705, 1838, 2170, 2387, 3410, 4595, 4774, 6433, 9190, 10109, 11935, 12866, 20218, 23870, 28489, 32165, 50545, 56978, 64330, 70763, 101090, 141526, 142445, 199423, 284890, 313379, 353815, 398846, 626758, 707630, 997115, 1566895, 1994230, 2193653, 3133790, 4387306, 10968265, 21936530]

約数ペア:

[(1, 21936530), (2, 10968265), (5, 4387306), (7, 3133790), (10, 2193653), (11, 1994230), (14, 1566895), (22, 997115), (31, 707630), (35, 626758), (55, 398846), (62, 353815), (70, 313379), (77, 284890), (110, 199423), (154, 142445), (155, 141526), (217, 101090), (310, 70763), (341, 64330), (385, 56978), (434, 50545), (682, 32165), (770, 28489), (919, 23870), (1085, 20218), (1705, 12866), (1838, 11935), (2170, 10109), (2387, 9190), (3410, 6433), (4595, 4774)]