21000332144

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10847279}}^1$

素因数の和:10847309

約数の個数: 30

約数和(自身を含む): 44723335440

約数和(自身を除く): 23723003296

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10847279, 21694558, 43389116, 86778232, 119320069, 173556464, 238640138, 477280276, 954560552, 1312520759, 1909121104, 2625041518, 5250083036, 10500166072, 21000332144]

約数ペア:

[(1, 21000332144), (2, 10500166072), (4, 5250083036), (8, 2625041518), (11, 1909121104), (16, 1312520759), (22, 954560552), (44, 477280276), (88, 238640138), (121, 173556464), (176, 119320069), (242, 86778232), (484, 43389116), (968, 21694558), (1936, 10847279)]