21083530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1033}}^1$

素因数の和:1210

約数の個数: 32

約数和(自身を含む): 41169744

約数和(自身を除く): 20086214

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1033, 1570, 2041, 2066, 4082, 5165, 10205, 10330, 13429, 20410, 26858, 67145, 134290, 162181, 324362, 810905, 1621810, 2108353, 4216706, 10541765, 21083530]

約数ペア:

[(1, 21083530), (2, 10541765), (5, 4216706), (10, 2108353), (13, 1621810), (26, 810905), (65, 324362), (130, 162181), (157, 134290), (314, 67145), (785, 26858), (1033, 20410), (1570, 13429), (2041, 10330), (2066, 10205), (4082, 5165)]