21813597

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2143}}^1$

素因数の和:2194

約数の個数: 32

約数和(自身を含む): 36019200

約数和(自身を除く): 14205603

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 783, 1131, 2143, 3393, 6429, 10179, 19287, 27859, 57861, 62147, 83577, 186441, 250731, 559323, 752193, 807911, 1677969, 2423733, 7271199, 21813597]

約数ペア:

[(1, 21813597), (3, 7271199), (9, 2423733), (13, 1677969), (27, 807911), (29, 752193), (39, 559323), (87, 250731), (117, 186441), (261, 83577), (351, 62147), (377, 57861), (783, 27859), (1131, 19287), (2143, 10179), (3393, 6429)]