21962259

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{157}}^2$

素因数の和:337

約数の個数: 30

約数和(自身を含む): 36019764

約数和(自身を除く): 14057505

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 157, 297, 471, 891, 1413, 1727, 4239, 5181, 12717, 15543, 24649, 46629, 73947, 139887, 221841, 271139, 665523, 813417, 1996569, 2440251, 7320753, 21962259]

約数ペア:

[(1, 21962259), (3, 7320753), (9, 2440251), (11, 1996569), (27, 813417), (33, 665523), (81, 271139), (99, 221841), (157, 139887), (297, 73947), (471, 46629), (891, 24649), (1413, 15543), (1727, 12717), (4239, 5181)]