21755058

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{278911}}^1$

素因数の和:278929

約数の個数: 16

約数和(自身を含む): 46857216

約数和(自身を除く): 25102158

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 278911, 557822, 836733, 1673466, 3625843, 7251686, 10877529, 21755058]

約数ペア:

[(1, 21755058), (2, 10877529), (3, 7251686), (6, 3625843), (13, 1673466), (26, 836733), (39, 557822), (78, 278911)]