21421062

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2953}}^1$

素因数の和:3005

約数の個数: 48

約数和(自身を含む): 51612288

約数和(自身を除く): 30191226

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 2953, 3627, 5906, 7254, 8859, 17718, 26577, 38389, 53154, 76778, 91543, 115167, 183086, 230334, 274629, 345501, 549258, 691002, 823887, 1190059, 1647774, 2380118, 3570177, 7140354, 10710531, 21421062]

約数ペア:

[(1, 21421062), (2, 10710531), (3, 7140354), (6, 3570177), (9, 2380118), (13, 1647774), (18, 1190059), (26, 823887), (31, 691002), (39, 549258), (62, 345501), (78, 274629), (93, 230334), (117, 183086), (186, 115167), (234, 91543), (279, 76778), (403, 53154), (558, 38389), (806, 26577), (1209, 17718), (2418, 8859), (2953, 7254), (3627, 5906)]