21033207

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6199}}^1$

素因数の和:6247

約数の個数: 24

約数和(自身を含む): 33852000

約数和(自身を除く): 12818793

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 6199, 18597, 55791, 80587, 179771, 241761, 539313, 725283, 1617939, 2337023, 7011069, 21033207]

約数ペア:

[(1, 21033207), (3, 7011069), (9, 2337023), (13, 1617939), (29, 725283), (39, 539313), (87, 241761), (117, 179771), (261, 80587), (377, 55791), (1131, 18597), (3393, 6199)]