21698392

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1549}}^1$

素因数の和:1675

約数の個数: 32

約数和(自身を含む): 43524000

約数和(自身を除く): 21825608

約数列:

[1, 2, 4, 8, 17, 34, 68, 103, 136, 206, 412, 824, 1549, 1751, 3098, 3502, 6196, 7004, 12392, 14008, 26333, 52666, 105332, 159547, 210664, 319094, 638188, 1276376, 2712299, 5424598, 10849196, 21698392]

約数ペア:

[(1, 21698392), (2, 10849196), (4, 5424598), (8, 2712299), (17, 1276376), (34, 638188), (68, 319094), (103, 210664), (136, 159547), (206, 105332), (412, 52666), (824, 26333), (1549, 14008), (1751, 12392), (3098, 7004), (3502, 6196)]