21060212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{977}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 39186504

約数和(自身を除く): 18126292

約数列:

[1, 2, 4, 17, 34, 68, 317, 634, 977, 1268, 1954, 3908, 5389, 10778, 16609, 21556, 33218, 66436, 309709, 619418, 1238836, 5265053, 10530106, 21060212]

約数ペア:

[(1, 21060212), (2, 10530106), (4, 5265053), (17, 1238836), (34, 619418), (68, 309709), (317, 66436), (634, 33218), (977, 21556), (1268, 16609), (1954, 10778), (3908, 5389)]