21545556

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{12917}}^1$

素因数の和:13063

約数の個数: 24

約数和(自身を含む): 50638560

約数和(自身を除く): 29093004

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 12917, 25834, 38751, 51668, 77502, 155004, 1795463, 3590926, 5386389, 7181852, 10772778, 21545556]

約数ペア:

[(1, 21545556), (2, 10772778), (3, 7181852), (4, 5386389), (6, 3590926), (12, 1795463), (139, 155004), (278, 77502), (417, 51668), (556, 38751), (834, 25834), (1668, 12917)]