21955252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3929}}^1$

素因数の和:4071

約数の個数: 24

約数和(自身を含む): 42255360

約数和(自身を除く): 20300108

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3929, 5588, 7858, 15716, 43219, 86438, 172876, 498983, 997966, 1995932, 5488813, 10977626, 21955252]

約数ペア:

[(1, 21955252), (2, 10977626), (4, 5488813), (11, 1995932), (22, 997966), (44, 498983), (127, 172876), (254, 86438), (508, 43219), (1397, 15716), (2794, 7858), (3929, 5588)]