21022774

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1607}}^1$

素因数の和:1851

約数の個数: 16

約数和(自身を含む): 32726016

約数和(自身を除く): 11703242

約数列:

[1, 2, 31, 62, 211, 422, 1607, 3214, 6541, 13082, 49817, 99634, 339077, 678154, 10511387, 21022774]

約数ペア:

[(1, 21022774), (2, 10511387), (31, 678154), (62, 339077), (211, 99634), (422, 49817), (1607, 13082), (3214, 6541)]