21074977

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4639}}^1$

素因数の和:4716

約数の個数: 16

約数和(自身を含む): 26726400

約数和(自身を除く): 5651423

約数列:

[1, 7, 11, 59, 77, 413, 649, 4543, 4639, 32473, 51029, 273701, 357203, 1915907, 3010711, 21074977]

約数ペア:

[(1, 21074977), (7, 3010711), (11, 1915907), (59, 357203), (77, 273701), (413, 51029), (649, 32473), (4543, 4639)]