21919262

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{947}}^1$

素因数の和:1183

約数の個数: 16

約数和(自身を含む): 33581952

約数和(自身を除く): 11662690

約数列:

[1, 2, 71, 142, 163, 326, 947, 1894, 11573, 23146, 67237, 134474, 154361, 308722, 10959631, 21919262]

約数ペア:

[(1, 21919262), (2, 10959631), (71, 308722), (142, 154361), (163, 134474), (326, 67237), (947, 23146), (1894, 11573)]