21764514

素因数分解:

$2^1\times 3^1\times {\mathrm{641}}^1\times {\mathrm{5659}}^1$

素因数の和:6305

約数の個数: 16

約数和(自身を含む): 43604640

約数和(自身を除く): 21840126

約数列:

[1, 2, 3, 6, 641, 1282, 1923, 3846, 5659, 11318, 16977, 33954, 3627419, 7254838, 10882257, 21764514]

約数ペア:

[(1, 21764514), (2, 10882257), (3, 7254838), (6, 3627419), (641, 33954), (1282, 16977), (1923, 11318), (3846, 5659)]