21604924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1867}}^1$

素因数の和:2145

約数の個数: 24

約数和(自身を含む): 41424768

約数和(自身を除く): 19819844

約数列:

[1, 2, 4, 11, 22, 44, 263, 526, 1052, 1867, 2893, 3734, 5786, 7468, 11572, 20537, 41074, 82148, 491021, 982042, 1964084, 5401231, 10802462, 21604924]

約数ペア:

[(1, 21604924), (2, 10802462), (4, 5401231), (11, 1964084), (22, 982042), (44, 491021), (263, 82148), (526, 41074), (1052, 20537), (1867, 11572), (2893, 7468), (3734, 5786)]