21044584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2687}}^1$

素因数の和:2793

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22501016

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 2687, 3916, 5374, 7832, 10748, 21496, 29557, 59114, 118228, 236456, 239143, 478286, 956572, 1913144, 2630573, 5261146, 10522292, 21044584]

約数ペア:

[(1, 21044584), (2, 10522292), (4, 5261146), (8, 2630573), (11, 1913144), (22, 956572), (44, 478286), (88, 239143), (89, 236456), (178, 118228), (356, 59114), (712, 29557), (979, 21496), (1958, 10748), (2687, 7832), (3916, 5374)]