21880742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{44293}}^1$

素因数の和:44327

約数の個数: 16

約数和(自身を含む): 37206960

約数和(自身を除く): 15326218

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 44293, 88586, 575809, 841567, 1151618, 1683134, 10940371, 21880742]

約数ペア:

[(1, 21880742), (2, 10940371), (13, 1683134), (19, 1151618), (26, 841567), (38, 575809), (247, 88586), (494, 44293)]