21497022

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{1549}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 47988000

約数和(自身を除く): 26490978

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1542, 1549, 2313, 3098, 4626, 4647, 6939, 9294, 13878, 13941, 27882, 41823, 83646, 398093, 796186, 1194279, 2388558, 3582837, 7165674, 10748511, 21497022]

約数ペア:

[(1, 21497022), (2, 10748511), (3, 7165674), (6, 3582837), (9, 2388558), (18, 1194279), (27, 796186), (54, 398093), (257, 83646), (514, 41823), (771, 27882), (1542, 13941), (1549, 13878), (2313, 9294), (3098, 6939), (4626, 4647)]