21695367021

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3980071}}^1$

素因数の和:3980176

約数の個数: 16

約数和(自身を含む): 30566952960

約数和(自身を除く): 8871585939

約数列:

[1, 3, 23, 69, 79, 237, 1817, 5451, 3980071, 11940213, 91541633, 274624899, 314425609, 943276827, 7231789007, 21695367021]

約数ペア:

[(1, 21695367021), (3, 7231789007), (23, 943276827), (69, 314425609), (79, 274624899), (237, 91541633), (1817, 11940213), (5451, 3980071)]