21572208

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{21401}}^1$

素因数の和:21422

約数の個数: 60

約数和(自身を含む): 69000048

約数和(自身を除く): 47427840

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, 21401, 42802, 64203, 85604, 128406, 149807, 171208, 192609, 256812, 299614, 342416, 385218, 449421, 513624, 599228, 770436, 898842, 1027248, 1198456, 1348263, 1540872, 1797684, 2396912, 2696526, 3081744, 3595368, 5393052, 7190736, 10786104, 21572208]

約数ペア:

[(1, 21572208), (2, 10786104), (3, 7190736), (4, 5393052), (6, 3595368), (7, 3081744), (8, 2696526), (9, 2396912), (12, 1797684), (14, 1540872), (16, 1348263), (18, 1198456), (21, 1027248), (24, 898842), (28, 770436), (36, 599228), (42, 513624), (48, 449421), (56, 385218), (63, 342416), (72, 299614), (84, 256812), (112, 192609), (126, 171208), (144, 149807), (168, 128406), (252, 85604), (336, 64203), (504, 42802), (1008, 21401)]