2171422

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1109}}^1$

素因数の和:1211

約数の個数: 16

約数和(自身を含む): 3596400

約数和(自身を除く): 1424978

約数列:

[1, 2, 11, 22, 89, 178, 979, 1109, 1958, 2218, 12199, 24398, 98701, 197402, 1085711, 2171422]

約数ペア:

[(1, 2171422), (2, 1085711), (11, 197402), (22, 98701), (89, 24398), (178, 12199), (979, 2218), (1109, 1958)]