21390522

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4877}}^1$

素因数の和:4942

約数の個数: 32

約数和(自身を含む): 46360512

約数和(自身を除く): 24969990

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 258, 731, 1462, 2193, 4386, 4877, 9754, 14631, 29262, 82909, 165818, 209711, 248727, 419422, 497454, 629133, 1258266, 3565087, 7130174, 10695261, 21390522]

約数ペア:

[(1, 21390522), (2, 10695261), (3, 7130174), (6, 3565087), (17, 1258266), (34, 629133), (43, 497454), (51, 419422), (86, 248727), (102, 209711), (129, 165818), (258, 82909), (731, 29262), (1462, 14631), (2193, 9754), (4386, 4877)]