21904827

素因数分解:

$3^1\times 7^1\times {\mathrm{593}}^1\times {\mathrm{1759}}^1$

素因数の和:2362

約数の個数: 16

約数和(自身を含む): 33454080

約数和(自身を除く): 11549253

約数列:

[1, 3, 7, 21, 593, 1759, 1779, 4151, 5277, 12313, 12453, 36939, 1043087, 3129261, 7301609, 21904827]

約数ペア:

[(1, 21904827), (3, 7301609), (7, 3129261), (21, 1043087), (593, 36939), (1759, 12453), (1779, 12313), (4151, 5277)]