21206574

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{7907}}^1$

素因数の和:8064

約数の個数: 24

約数和(自身を含む): 46261800

約数和(自身を除く): 25055226

約数列:

[1, 2, 3, 6, 9, 18, 149, 298, 447, 894, 1341, 2682, 7907, 15814, 23721, 47442, 71163, 142326, 1178143, 2356286, 3534429, 7068858, 10603287, 21206574]

約数ペア:

[(1, 21206574), (2, 10603287), (3, 7068858), (6, 3534429), (9, 2356286), (18, 1178143), (149, 142326), (298, 71163), (447, 47442), (894, 23721), (1341, 15814), (2682, 7907)]