21731472

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{21559}}^1$

素因数の和:21580

約数の個数: 60

約数和(自身を含む): 69509440

約数和(自身を除く): 47777968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 21559, 43118, 64677, 86236, 129354, 150913, 172472, 194031, 258708, 301826, 344944, 388062, 452739, 517416, 603652, 776124, 905478, 1034832, 1207304, 1358217, 1552248, 1810956, 2414608, 2716434, 3104496, 3621912, 5432868, 7243824, 10865736, 21731472]

約数ペア:

[(1, 21731472), (2, 10865736), (3, 7243824), (4, 5432868), (6, 3621912), (7, 3104496), (8, 2716434), (9, 2414608), (12, 1810956), (14, 1552248), (16, 1358217), (18, 1207304), (21, 1034832), (24, 905478), (28, 776124), (36, 603652), (42, 517416), (48, 452739), (56, 388062), (63, 344944), (72, 301826), (84, 258708), (112, 194031), (126, 172472), (144, 150913), (168, 129354), (252, 86236), (336, 64677), (504, 43118), (1008, 21559)]