21346413

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{13763}}^1$

素因数の和:13824

約数の個数: 16

約数和(自身を含む): 31712256

約数和(自身を除く): 10365843

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 13763, 41289, 151393, 454179, 646861, 1940583, 7115471, 21346413]

約数ペア:

[(1, 21346413), (3, 7115471), (11, 1940583), (33, 646861), (47, 454179), (141, 151393), (517, 41289), (1551, 13763)]