21011692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9397}}^1$

素因数の和:9457

約数の個数: 24

約数和(自身を含む): 40524176

約数和(自身を除く): 19512484

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9397, 18794, 37588, 122161, 244322, 404071, 488644, 808142, 1616284, 5252923, 10505846, 21011692]

約数ペア:

[(1, 21011692), (2, 10505846), (4, 5252923), (13, 1616284), (26, 808142), (43, 488644), (52, 404071), (86, 244322), (172, 122161), (559, 37588), (1118, 18794), (2236, 9397)]