21187942

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1\times {\mathrm{607}}^1$

素因数の和:1203

約数の個数: 16

約数和(自身を含む): 32919552

約数和(自身を除く): 11731610

約数列:

[1, 2, 31, 62, 563, 607, 1126, 1214, 17453, 18817, 34906, 37634, 341741, 683482, 10593971, 21187942]

約数ペア:

[(1, 21187942), (2, 10593971), (31, 683482), (62, 341741), (563, 37634), (607, 34906), (1126, 18817), (1214, 17453)]