21393762

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1747}}^1$

素因数の和:1922

約数の個数: 32

約数和(自身を含む): 46398912

約数和(自身を除く): 25005150

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 157, 314, 471, 942, 1747, 2041, 3494, 4082, 5241, 6123, 10482, 12246, 22711, 45422, 68133, 136266, 274279, 548558, 822837, 1645674, 3565627, 7131254, 10696881, 21393762]

約数ペア:

[(1, 21393762), (2, 10696881), (3, 7131254), (6, 3565627), (13, 1645674), (26, 822837), (39, 548558), (78, 274279), (157, 136266), (314, 68133), (471, 45422), (942, 22711), (1747, 12246), (2041, 10482), (3494, 6123), (4082, 5241)]