21345666

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{86771}}^1$

素因数の和:86817

約数の個数: 16

約数和(自身を含む): 43733088

約数和(自身を除く): 22387422

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 86771, 173542, 260313, 520626, 3557611, 7115222, 10672833, 21345666]

約数ペア:

[(1, 21345666), (2, 10672833), (3, 7115222), (6, 3557611), (41, 520626), (82, 260313), (123, 173542), (246, 86771)]