21279843742

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1\times {\mathrm{169003}}^1$

素因数の和:169563

約数の個数: 16

約数和(自身を含む): 32203374192

約数和(自身を除く): 10923530450

約数列:

[1, 2, 157, 314, 401, 802, 62957, 125914, 169003, 338006, 26533471, 53066942, 67770203, 135540406, 10639921871, 21279843742]

約数ペア:

[(1, 21279843742), (2, 10639921871), (157, 135540406), (314, 67770203), (401, 53066942), (802, 26533471), (62957, 338006), (125914, 169003)]