21225456

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{7019}}^1$

素因数の和:7043

約数の個数: 80

約数和(自身を含む): 69638400

約数和(自身を除く): 48412944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 7019, 14038, 21057, 28076, 42114, 49133, 56152, 63171, 84228, 98266, 112304, 126342, 147399, 168456, 189513, 196532, 252684, 294798, 336912, 379026, 393064, 442197, 505368, 589596, 758052, 786128, 884394, 1010736, 1179192, 1326591, 1516104, 1768788, 2358384, 2653182, 3032208, 3537576, 5306364, 7075152, 10612728, 21225456]

約数ペア:

[(1, 21225456), (2, 10612728), (3, 7075152), (4, 5306364), (6, 3537576), (7, 3032208), (8, 2653182), (9, 2358384), (12, 1768788), (14, 1516104), (16, 1326591), (18, 1179192), (21, 1010736), (24, 884394), (27, 786128), (28, 758052), (36, 589596), (42, 505368), (48, 442197), (54, 393064), (56, 379026), (63, 336912), (72, 294798), (84, 252684), (108, 196532), (112, 189513), (126, 168456), (144, 147399), (168, 126342), (189, 112304), (216, 98266), (252, 84228), (336, 63171), (378, 56152), (432, 49133), (504, 42114), (756, 28076), (1008, 21057), (1512, 14038), (3024, 7019)]