21451878

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18917}}^1$

素因数の和:18938

約数の個数: 40

約数和(自身を含む): 54937872

約数和(自身を除く): 33485994

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18917, 37834, 56751, 113502, 132419, 170253, 264838, 340506, 397257, 510759, 794514, 1021518, 1191771, 1532277, 2383542, 3064554, 3575313, 7150626, 10725939, 21451878]

約数ペア:

[(1, 21451878), (2, 10725939), (3, 7150626), (6, 3575313), (7, 3064554), (9, 2383542), (14, 1532277), (18, 1191771), (21, 1021518), (27, 794514), (42, 510759), (54, 397257), (63, 340506), (81, 264838), (126, 170253), (162, 132419), (189, 113502), (378, 56751), (567, 37834), (1134, 18917)]