21534604

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{883}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 47127808

約数和(自身を除く): 25593204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 67, 91, 134, 182, 268, 364, 469, 871, 883, 938, 1742, 1766, 1876, 3484, 3532, 6097, 6181, 11479, 12194, 12362, 22958, 24388, 24724, 45916, 59161, 80353, 118322, 160706, 236644, 321412, 414127, 769093, 828254, 1538186, 1656508, 3076372, 5383651, 10767302, 21534604]

約数ペア:

[(1, 21534604), (2, 10767302), (4, 5383651), (7, 3076372), (13, 1656508), (14, 1538186), (26, 828254), (28, 769093), (52, 414127), (67, 321412), (91, 236644), (134, 160706), (182, 118322), (268, 80353), (364, 59161), (469, 45916), (871, 24724), (883, 24388), (938, 22958), (1742, 12362), (1766, 12194), (1876, 11479), (3484, 6181), (3532, 6097)]