21968962

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1181}}^1$

素因数の和:1385

約数の個数: 16

約数和(自身を含む): 33701184

約数和(自身を除く): 11732222

約数列:

[1, 2, 71, 131, 142, 262, 1181, 2362, 9301, 18602, 83851, 154711, 167702, 309422, 10984481, 21968962]

約数ペア:

[(1, 21968962), (2, 10984481), (71, 309422), (131, 167702), (142, 154711), (262, 83851), (1181, 18602), (2362, 9301)]