21090138

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{269}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 43156800

約数和(自身を除く): 22066662

約数列:

[1, 2, 3, 6, 73, 146, 179, 219, 269, 358, 438, 537, 538, 807, 1074, 1614, 13067, 19637, 26134, 39201, 39274, 48151, 58911, 78402, 96302, 117822, 144453, 288906, 3515023, 7030046, 10545069, 21090138]

約数ペア:

[(1, 21090138), (2, 10545069), (3, 7030046), (6, 3515023), (73, 288906), (146, 144453), (179, 117822), (219, 96302), (269, 78402), (358, 58911), (438, 48151), (537, 39274), (538, 39201), (807, 26134), (1074, 19637), (1614, 13067)]