21939231

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{1553}}^1$

素因数の和:1850

約数の個数: 16

約数和(自身を含む): 31104864

約数和(自身を除く): 9165633

約数列:

[1, 3, 17, 51, 277, 831, 1553, 4659, 4709, 14127, 26401, 79203, 430181, 1290543, 7313077, 21939231]

約数ペア:

[(1, 21939231), (3, 7313077), (17, 1290543), (51, 430181), (277, 79203), (831, 26401), (1553, 14127), (4659, 4709)]