21071048

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{283}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 40793760

約数和(自身を除く): 19722712

約数列:

[1, 2, 4, 8, 41, 82, 164, 227, 283, 328, 454, 566, 908, 1132, 1816, 2264, 9307, 11603, 18614, 23206, 37228, 46412, 64241, 74456, 92824, 128482, 256964, 513928, 2633881, 5267762, 10535524, 21071048]

約数ペア:

[(1, 21071048), (2, 10535524), (4, 5267762), (8, 2633881), (41, 513928), (82, 256964), (164, 128482), (227, 92824), (283, 74456), (328, 64241), (454, 46412), (566, 37228), (908, 23206), (1132, 18614), (1816, 11603), (2264, 9307)]