21880453049

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{797}}^1$

素因数の和:1050

約数の個数: 64

約数和(自身を含む): 28443018240

約数和(自身を除く): 6562565191

約数列:

[1, 7, 13, 29, 91, 101, 103, 203, 377, 707, 721, 797, 1313, 1339, 2639, 2929, 2987, 5579, 9191, 9373, 10361, 10403, 20503, 20909, 23113, 38077, 38831, 72527, 72821, 80497, 82091, 135239, 161791, 266539, 271817, 300469, 301687, 563479, 574637, 946673, 1046461, 1067183, 2103283, 2111809, 2334413, 2380639, 3921931, 7325227, 7470281, 8291191, 16340891, 16664473, 27453517, 30347369, 30948307, 58038337, 107785483, 212431583, 216638149, 240444539, 754498381, 1683111773, 3125779007, 21880453049]

約数ペア:

[(1, 21880453049), (7, 3125779007), (13, 1683111773), (29, 754498381), (91, 240444539), (101, 216638149), (103, 212431583), (203, 107785483), (377, 58038337), (707, 30948307), (721, 30347369), (797, 27453517), (1313, 16664473), (1339, 16340891), (2639, 8291191), (2929, 7470281), (2987, 7325227), (5579, 3921931), (9191, 2380639), (9373, 2334413), (10361, 2111809), (10403, 2103283), (20503, 1067183), (20909, 1046461), (23113, 946673), (38077, 574637), (38831, 563479), (72527, 301687), (72821, 300469), (80497, 271817), (82091, 266539), (135239, 161791)]