21260470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27611}}^1$

素因数の和:27636

約数の個数: 32

約数和(自身を含む): 47713536

約数和(自身を除く): 26453066

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27611, 55222, 138055, 193277, 276110, 303721, 386554, 607442, 966385, 1518605, 1932770, 2126047, 3037210, 4252094, 10630235, 21260470]

約数ペア:

[(1, 21260470), (2, 10630235), (5, 4252094), (7, 3037210), (10, 2126047), (11, 1932770), (14, 1518605), (22, 966385), (35, 607442), (55, 386554), (70, 303721), (77, 276110), (110, 193277), (154, 138055), (385, 55222), (770, 27611)]