21169646

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{1993}}^1$

素因数の和:2155

約数の個数: 16

約数和(自身を含む): 32733504

約数和(自身を除く): 11563858

約数列:

[1, 2, 47, 94, 113, 226, 1993, 3986, 5311, 10622, 93671, 187342, 225209, 450418, 10584823, 21169646]

約数ペア:

[(1, 21169646), (2, 10584823), (47, 450418), (94, 225209), (113, 187342), (226, 93671), (1993, 10622), (3986, 5311)]