21793291

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 24127488

約数和(自身を除く): 2334197

約数列:

[1, 13, 67, 131, 191, 871, 1703, 2483, 8777, 12797, 25021, 114101, 166361, 325273, 1676407, 21793291]

約数ペア:

[(1, 21793291), (13, 1676407), (67, 325273), (131, 166361), (191, 114101), (871, 25021), (1703, 12797), (2483, 8777)]