21788182

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{6397}}^1$

素因数の和:6543

約数の個数: 16

約数和(自身を含む): 35470512

約数和(自身を除く): 13682330

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 6397, 12794, 83161, 166322, 838007, 1676014, 10894091, 21788182]

約数ペア:

[(1, 21788182), (2, 10894091), (13, 1676014), (26, 838007), (131, 166322), (262, 83161), (1703, 12794), (3406, 6397)]