21167146

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 43464960

約数和(自身を除く): 22297814

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 97, 109, 143, 154, 182, 194, 218, 286, 679, 763, 1001, 1067, 1199, 1261, 1358, 1417, 1526, 2002, 2134, 2398, 2522, 2834, 7469, 8393, 8827, 9919, 10573, 13871, 14938, 15587, 16786, 17654, 19838, 21146, 27742, 31174, 74011, 97097, 109109, 116303, 137449, 148022, 194194, 218218, 232606, 274898, 814121, 962143, 1511939, 1628242, 1924286, 3023878, 10583573, 21167146]

約数ペア:

[(1, 21167146), (2, 10583573), (7, 3023878), (11, 1924286), (13, 1628242), (14, 1511939), (22, 962143), (26, 814121), (77, 274898), (91, 232606), (97, 218218), (109, 194194), (143, 148022), (154, 137449), (182, 116303), (194, 109109), (218, 97097), (286, 74011), (679, 31174), (763, 27742), (1001, 21146), (1067, 19838), (1199, 17654), (1261, 16786), (1358, 15587), (1417, 14938), (1526, 13871), (2002, 10573), (2134, 9919), (2398, 8827), (2522, 8393), (2834, 7469)]