21040764

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{103141}}^1$

素因数の和:103165

約数の個数: 24

約数和(自身を含む): 51983568

約数和(自身を除く): 30942804

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 103141, 206282, 309423, 412564, 618846, 1237692, 1753397, 3506794, 5260191, 7013588, 10520382, 21040764]

約数ペア:

[(1, 21040764), (2, 10520382), (3, 7013588), (4, 5260191), (6, 3506794), (12, 1753397), (17, 1237692), (34, 618846), (51, 412564), (68, 309423), (102, 206282), (204, 103141)]