21091782

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{152839}}^1$

素因数の和:152867

約数の個数: 16

約数和(自身を含む): 44017920

約数和(自身を除く): 22926138

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 152839, 305678, 458517, 917034, 3515297, 7030594, 10545891, 21091782]

約数ペア:

[(1, 21091782), (2, 10545891), (3, 7030594), (6, 3515297), (23, 917034), (46, 458517), (69, 305678), (138, 152839)]