21347454

素因数分解:

$2^1\times 3^1\times {\mathrm{521}}^1\times {\mathrm{6829}}^1$

素因数の和:7355

約数の個数: 16

約数和(自身を含む): 42783120

約数和(自身を除く): 21435666

約数列:

[1, 2, 3, 6, 521, 1042, 1563, 3126, 6829, 13658, 20487, 40974, 3557909, 7115818, 10673727, 21347454]

約数ペア:

[(1, 21347454), (2, 10673727), (3, 7115818), (6, 3557909), (521, 40974), (1042, 20487), (1563, 13658), (3126, 6829)]