21554949

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1531}}^1$

素因数の和:1585

約数の個数: 24

約数和(自身を含む): 32686752

約数和(自身を除く): 11131803

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 741, 1083, 1531, 4593, 4693, 14079, 19903, 29089, 59709, 87267, 378157, 552691, 1134471, 1658073, 7184983, 21554949]

約数ペア:

[(1, 21554949), (3, 7184983), (13, 1658073), (19, 1134471), (39, 552691), (57, 378157), (247, 87267), (361, 59709), (741, 29089), (1083, 19903), (1531, 14079), (4593, 4693)]