21423156

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43543}}^1$

素因数の和:43591

約数の個数: 24

約数和(自身を含む): 51207744

約数和(自身を除く): 29784588

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 43543, 87086, 130629, 174172, 261258, 522516, 1785263, 3570526, 5355789, 7141052, 10711578, 21423156]

約数ペア:

[(1, 21423156), (2, 10711578), (3, 7141052), (4, 5355789), (6, 3570526), (12, 1785263), (41, 522516), (82, 261258), (123, 174172), (164, 130629), (246, 87086), (492, 43543)]