21074553

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41081}}^1$

素因数の和:41109

約数の個数: 16

約数和(自身を含む): 32865600

約数和(自身を除く): 11791047

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41081, 123243, 369729, 780539, 1109187, 2341617, 7024851, 21074553]

約数ペア:

[(1, 21074553), (3, 7024851), (9, 2341617), (19, 1109187), (27, 780539), (57, 369729), (171, 123243), (513, 41081)]