21164290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15913}}^1$

素因数の和:15946

約数の個数: 32

約数和(自身を含む): 45832320

約数和(自身を除く): 24668030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15913, 31826, 79565, 111391, 159130, 222782, 302347, 556955, 604694, 1113910, 1511735, 2116429, 3023470, 4232858, 10582145, 21164290]

約数ペア:

[(1, 21164290), (2, 10582145), (5, 4232858), (7, 3023470), (10, 2116429), (14, 1511735), (19, 1113910), (35, 604694), (38, 556955), (70, 302347), (95, 222782), (133, 159130), (190, 111391), (266, 79565), (665, 31826), (1330, 15913)]