21859508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1889}}^1$

素因数の和:2167

約数の個数: 24

約数和(自身を含む): 41912640

約数和(自身を除く): 20053132

約数列:

[1, 2, 4, 11, 22, 44, 263, 526, 1052, 1889, 2893, 3778, 5786, 7556, 11572, 20779, 41558, 83116, 496807, 993614, 1987228, 5464877, 10929754, 21859508]

約数ペア:

[(1, 21859508), (2, 10929754), (4, 5464877), (11, 1987228), (22, 993614), (44, 496807), (263, 83116), (526, 41558), (1052, 20779), (1889, 11572), (2893, 7556), (3778, 5786)]