21481348

素因数分解:

$2^2\times 7^1\times {\mathrm{463}}^1\times {\mathrm{1657}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 43081472

約数和(自身を除く): 21600124

約数列:

[1, 2, 4, 7, 14, 28, 463, 926, 1657, 1852, 3241, 3314, 6482, 6628, 11599, 12964, 23198, 46396, 767191, 1534382, 3068764, 5370337, 10740674, 21481348]

約数ペア:

[(1, 21481348), (2, 10740674), (4, 5370337), (7, 3068764), (14, 1534382), (28, 767191), (463, 46396), (926, 23198), (1657, 12964), (1852, 11599), (3241, 6628), (3314, 6482)]