21344470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4177}}^1$

素因数の和:4264

約数の個数: 32

約数和(自身を含む): 44520768

約数和(自身を除く): 23176298

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 4177, 5110, 8354, 20885, 29239, 41770, 58478, 146195, 292390, 304921, 609842, 1524605, 2134447, 3049210, 4268894, 10672235, 21344470]

約数ペア:

[(1, 21344470), (2, 10672235), (5, 4268894), (7, 3049210), (10, 2134447), (14, 1524605), (35, 609842), (70, 304921), (73, 292390), (146, 146195), (365, 58478), (511, 41770), (730, 29239), (1022, 20885), (2555, 8354), (4177, 5110)]