21805284

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{733}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 53106368

約数和(自身を除く): 31301084

約数列:

[1, 2, 3, 4, 6, 12, 37, 67, 74, 111, 134, 148, 201, 222, 268, 402, 444, 733, 804, 1466, 2199, 2479, 2932, 4398, 4958, 7437, 8796, 9916, 14874, 27121, 29748, 49111, 54242, 81363, 98222, 108484, 147333, 162726, 196444, 294666, 325452, 589332, 1817107, 3634214, 5451321, 7268428, 10902642, 21805284]

約数ペア:

[(1, 21805284), (2, 10902642), (3, 7268428), (4, 5451321), (6, 3634214), (12, 1817107), (37, 589332), (67, 325452), (74, 294666), (111, 196444), (134, 162726), (148, 147333), (201, 108484), (222, 98222), (268, 81363), (402, 54242), (444, 49111), (733, 29748), (804, 27121), (1466, 14874), (2199, 9916), (2479, 8796), (2932, 7437), (4398, 4958)]