21738134

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2156

約数の個数: 24

約数和(自身を含む): 36692040

約数和(自身を除く): 14953906

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 2089, 4178, 5203, 10406, 22979, 45958, 89827, 179654, 252769, 505538, 988097, 1976194, 10869067, 21738134]

約数ペア:

[(1, 21738134), (2, 10869067), (11, 1976194), (22, 988097), (43, 505538), (86, 252769), (121, 179654), (242, 89827), (473, 45958), (946, 22979), (2089, 10406), (4178, 5203)]