21723944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5741}}^1$

素因数の和:5801

約数の個数: 32

約数和(自身を含む): 45476640

約数和(自身を除く): 23752696

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5741, 11482, 22964, 45928, 63151, 126302, 246863, 252604, 493726, 505208, 987452, 1974904, 2715493, 5430986, 10861972, 21723944]

約数ペア:

[(1, 21723944), (2, 10861972), (4, 5430986), (8, 2715493), (11, 1974904), (22, 987452), (43, 505208), (44, 493726), (86, 252604), (88, 246863), (172, 126302), (344, 63151), (473, 45928), (946, 22964), (1892, 11482), (3784, 5741)]