21294364

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3079}}^1$

素因数の和:3122

約数の個数: 48

約数和(自身を含む): 48294400

約数和(自身を除く): 27000036

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3079, 3458, 6158, 6916, 12316, 21553, 40027, 43106, 58501, 80054, 86212, 117002, 160108, 234004, 280189, 409507, 560378, 760513, 819014, 1120756, 1521026, 1638028, 3042052, 5323591, 10647182, 21294364]

約数ペア:

[(1, 21294364), (2, 10647182), (4, 5323591), (7, 3042052), (13, 1638028), (14, 1521026), (19, 1120756), (26, 819014), (28, 760513), (38, 560378), (52, 409507), (76, 280189), (91, 234004), (133, 160108), (182, 117002), (247, 86212), (266, 80054), (364, 58501), (494, 43106), (532, 40027), (988, 21553), (1729, 12316), (3079, 6916), (3458, 6158)]