21767977

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14879}}^1$

素因数の和:14916

約数の個数: 16

約数和(自身を含む): 28569600

約数和(自身を除く): 6801623

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 14879, 104153, 163669, 282701, 1145683, 1978907, 3109711, 21767977]

約数ペア:

[(1, 21767977), (7, 3109711), (11, 1978907), (19, 1145683), (77, 282701), (133, 163669), (209, 104153), (1463, 14879)]