21730774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{9391}}^1$

素因数の和:9495

約数の個数: 16

約数和(自身を含む): 35501760

約数和(自身を除く): 13770986

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 9391, 18782, 122083, 244166, 835799, 1671598, 10865387, 21730774]

約数ペア:

[(1, 21730774), (2, 10865387), (13, 1671598), (26, 835799), (89, 244166), (178, 122083), (1157, 18782), (2314, 9391)]