21844355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4049}}^1$

素因数の和:4150

約数の個数: 16

約数和(自身を含む): 28576800

約数和(自身を除く): 6732445

約数列:

[1, 5, 13, 65, 83, 415, 1079, 4049, 5395, 20245, 52637, 263185, 336067, 1680335, 4368871, 21844355]

約数ペア:

[(1, 21844355), (5, 4368871), (13, 1680335), (65, 336067), (83, 263185), (415, 52637), (1079, 20245), (4049, 5395)]