21667904

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:307

約数の個数: 56

約数和(自身を含む): 45963840

約数和(自身を除く): 24295936

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 103, 152, 173, 206, 304, 346, 412, 608, 692, 824, 1216, 1384, 1648, 1957, 2768, 3287, 3296, 3914, 5536, 6574, 6592, 7828, 11072, 13148, 15656, 17819, 26296, 31312, 35638, 52592, 62624, 71276, 105184, 125248, 142552, 210368, 285104, 338561, 570208, 677122, 1140416, 1354244, 2708488, 5416976, 10833952, 21667904]

約数ペア:

[(1, 21667904), (2, 10833952), (4, 5416976), (8, 2708488), (16, 1354244), (19, 1140416), (32, 677122), (38, 570208), (64, 338561), (76, 285104), (103, 210368), (152, 142552), (173, 125248), (206, 105184), (304, 71276), (346, 62624), (412, 52592), (608, 35638), (692, 31312), (824, 26296), (1216, 17819), (1384, 15656), (1648, 13148), (1957, 11072), (2768, 7828), (3287, 6592), (3296, 6574), (3914, 5536)]