21706144

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39901}}^1$

素因数の和:39928

約数の個数: 24

約数和(自身を含む): 45248868

約数和(自身を除く): 23542724

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39901, 79802, 159604, 319208, 638416, 678317, 1276832, 1356634, 2713268, 5426536, 10853072, 21706144]

約数ペア:

[(1, 21706144), (2, 10853072), (4, 5426536), (8, 2713268), (16, 1356634), (17, 1276832), (32, 678317), (34, 638416), (68, 319208), (136, 159604), (272, 79802), (544, 39901)]