21256833

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{14731}}^1$

素因数の和:14784

約数の個数: 16

約数和(自身を含む): 31349696

約数和(自身を除く): 10092863

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 14731, 44193, 191503, 545047, 574509, 1635141, 7085611, 21256833]

約数ペア:

[(1, 21256833), (3, 7085611), (13, 1635141), (37, 574509), (39, 545047), (111, 191503), (481, 44193), (1443, 14731)]