21134308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21391}}^1$

素因数の和:21427

約数の個数: 24

約数和(自身を含む): 41928320

約数和(自身を除く): 20794012

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21391, 42782, 85564, 278083, 406429, 556166, 812858, 1112332, 1625716, 5283577, 10567154, 21134308]

約数ペア:

[(1, 21134308), (2, 10567154), (4, 5283577), (13, 1625716), (19, 1112332), (26, 812858), (38, 556166), (52, 406429), (76, 278083), (247, 85564), (494, 42782), (988, 21391)]