21664610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5323}}^1$

素因数の和:5378

約数の個数: 32

約数和(自身を含む): 43699392

約数和(自身を除く): 22034782

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 5323, 10646, 26615, 53230, 58553, 117106, 196951, 292765, 393902, 585530, 984755, 1969510, 2166461, 4332922, 10832305, 21664610]

約数ペア:

[(1, 21664610), (2, 10832305), (5, 4332922), (10, 2166461), (11, 1969510), (22, 984755), (37, 585530), (55, 393902), (74, 292765), (110, 196951), (185, 117106), (370, 58553), (407, 53230), (814, 26615), (2035, 10646), (4070, 5323)]