21962889

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6473}}^1$

素因数の和:6521

約数の個数: 24

約数和(自身を含む): 35348040

約数和(自身を除く): 13385151

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 6473, 19419, 58257, 84149, 187717, 252447, 563151, 757341, 1689453, 2440321, 7320963, 21962889]

約数ペア:

[(1, 21962889), (3, 7320963), (9, 2440321), (13, 1689453), (29, 757341), (39, 563151), (87, 252447), (117, 187717), (261, 84149), (377, 58257), (1131, 19419), (3393, 6473)]