21073030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 23716730

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 59, 85, 110, 118, 170, 187, 191, 295, 374, 382, 590, 649, 935, 955, 1003, 1298, 1870, 1910, 2006, 2101, 3245, 3247, 4202, 5015, 6490, 6494, 10030, 10505, 11033, 11269, 16235, 21010, 22066, 22538, 32470, 35717, 55165, 56345, 71434, 110330, 112690, 123959, 178585, 191573, 247918, 357170, 383146, 619795, 957865, 1239590, 1915730, 2107303, 4214606, 10536515, 21073030]

約数ペア:

[(1, 21073030), (2, 10536515), (5, 4214606), (10, 2107303), (11, 1915730), (17, 1239590), (22, 957865), (34, 619795), (55, 383146), (59, 357170), (85, 247918), (110, 191573), (118, 178585), (170, 123959), (187, 112690), (191, 110330), (295, 71434), (374, 56345), (382, 55165), (590, 35717), (649, 32470), (935, 22538), (955, 22066), (1003, 21010), (1298, 16235), (1870, 11269), (1910, 11033), (2006, 10505), (2101, 10030), (3245, 6494), (3247, 6490), (4202, 5015)]