21424247

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 24407040

約数和(自身を除く): 2982793

約数列:

[1, 13, 23, 79, 299, 907, 1027, 1817, 11791, 20861, 23621, 71653, 271193, 931489, 1648019, 21424247]

約数ペア:

[(1, 21424247), (13, 1648019), (23, 931489), (79, 271193), (299, 71653), (907, 23621), (1027, 20861), (1817, 11791)]