21541446

素因数分解:

$2^1\times 3^2\times {\mathrm{641}}^1\times {\mathrm{1867}}^1$

素因数の和:2516

約数の個数: 24

約数和(自身を含む): 46770984

約数和(自身を除く): 25229538

約数列:

[1, 2, 3, 6, 9, 18, 641, 1282, 1867, 1923, 3734, 3846, 5601, 5769, 11202, 11538, 16803, 33606, 1196747, 2393494, 3590241, 7180482, 10770723, 21541446]

約数ペア:

[(1, 21541446), (2, 10770723), (3, 7180482), (6, 3590241), (9, 2393494), (18, 1196747), (641, 33606), (1282, 16803), (1867, 11538), (1923, 11202), (3734, 5769), (3846, 5601)]