21326711

素因数分解:

$7^3\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:759

約数の個数: 16

約数和(自身を含む): 25166400

約数和(自身を除く): 3839689

約数列:

[1, 7, 49, 97, 343, 641, 679, 4487, 4753, 31409, 33271, 62177, 219863, 435239, 3046673, 21326711]

約数ペア:

[(1, 21326711), (7, 3046673), (49, 435239), (97, 219863), (343, 62177), (641, 33271), (679, 31409), (4487, 4753)]