21964761

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2063}}^1$

素因数の和:2102

約数の個数: 36

約数和(自身を含む): 39282048

約数和(自身を除く): 17317287

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 2063, 3549, 6189, 10647, 14441, 18567, 26819, 43323, 80457, 129969, 187733, 241371, 348647, 563199, 1045941, 1689597, 2440529, 3137823, 7321587, 21964761]

約数ペア:

[(1, 21964761), (3, 7321587), (7, 3137823), (9, 2440529), (13, 1689597), (21, 1045941), (39, 563199), (63, 348647), (91, 241371), (117, 187733), (169, 129969), (273, 80457), (507, 43323), (819, 26819), (1183, 18567), (1521, 14441), (2063, 10647), (3549, 6189)]