21098084

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^2$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 44275392

約数和(自身を除く): 23177308

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 181, 322, 362, 644, 724, 1267, 2534, 4163, 5068, 8326, 16652, 29141, 32761, 58282, 65522, 116564, 131044, 229327, 458654, 753503, 917308, 1507006, 3014012, 5274521, 10549042, 21098084]

約数ペア:

[(1, 21098084), (2, 10549042), (4, 5274521), (7, 3014012), (14, 1507006), (23, 917308), (28, 753503), (46, 458654), (92, 229327), (161, 131044), (181, 116564), (322, 65522), (362, 58282), (644, 32761), (724, 29141), (1267, 16652), (2534, 8326), (4163, 5068)]