21556584

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:344

約数の個数: 128

約数和(自身を含む): 69984000

約数和(自身を除く): 48427416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 53, 54, 56, 63, 72, 84, 106, 108, 126, 159, 168, 189, 212, 216, 252, 269, 318, 371, 378, 424, 477, 504, 538, 636, 742, 756, 807, 954, 1076, 1113, 1272, 1431, 1484, 1512, 1614, 1883, 1908, 2152, 2226, 2421, 2862, 2968, 3228, 3339, 3766, 3816, 4452, 4842, 5649, 5724, 6456, 6678, 7263, 7532, 8904, 9684, 10017, 11298, 11448, 13356, 14257, 14526, 15064, 16947, 19368, 20034, 22596, 26712, 28514, 29052, 33894, 40068, 42771, 45192, 50841, 57028, 58104, 67788, 80136, 85542, 99799, 101682, 114056, 128313, 135576, 171084, 199598, 203364, 256626, 299397, 342168, 384939, 399196, 406728, 513252, 598794, 769878, 798392, 898191, 1026504, 1197588, 1539756, 1796382, 2395176, 2694573, 3079512, 3592764, 5389146, 7185528, 10778292, 21556584]

約数ペア:

[(1, 21556584), (2, 10778292), (3, 7185528), (4, 5389146), (6, 3592764), (7, 3079512), (8, 2694573), (9, 2395176), (12, 1796382), (14, 1539756), (18, 1197588), (21, 1026504), (24, 898191), (27, 798392), (28, 769878), (36, 598794), (42, 513252), (53, 406728), (54, 399196), (56, 384939), (63, 342168), (72, 299397), (84, 256626), (106, 203364), (108, 199598), (126, 171084), (159, 135576), (168, 128313), (189, 114056), (212, 101682), (216, 99799), (252, 85542), (269, 80136), (318, 67788), (371, 58104), (378, 57028), (424, 50841), (477, 45192), (504, 42771), (538, 40068), (636, 33894), (742, 29052), (756, 28514), (807, 26712), (954, 22596), (1076, 20034), (1113, 19368), (1272, 16947), (1431, 15064), (1484, 14526), (1512, 14257), (1614, 13356), (1883, 11448), (1908, 11298), (2152, 10017), (2226, 9684), (2421, 8904), (2862, 7532), (2968, 7263), (3228, 6678), (3339, 6456), (3766, 5724), (3816, 5649), (4452, 4842)]