21741540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11689}}^1$

素因数の和:11732

約数の個数: 48

約数和(自身を含む): 62845440

約数和(自身を除く): 41103900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11689, 23378, 35067, 46756, 58445, 70134, 116890, 140268, 175335, 233780, 350670, 362359, 701340, 724718, 1087077, 1449436, 1811795, 2174154, 3623590, 4348308, 5435385, 7247180, 10870770, 21741540]

約数ペア:

[(1, 21741540), (2, 10870770), (3, 7247180), (4, 5435385), (5, 4348308), (6, 3623590), (10, 2174154), (12, 1811795), (15, 1449436), (20, 1087077), (30, 724718), (31, 701340), (60, 362359), (62, 350670), (93, 233780), (124, 175335), (155, 140268), (186, 116890), (310, 70134), (372, 58445), (465, 46756), (620, 35067), (930, 23378), (1860, 11689)]