21975354

素因数分解:

$2^1\times 3^3\times {\mathrm{406951}}^1$

素因数の和:406962

約数の個数: 16

約数和(自身を含む): 48834240

約数和(自身を除く): 26858886

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 406951, 813902, 1220853, 2441706, 3662559, 7325118, 10987677, 21975354]

約数ペア:

[(1, 21975354), (2, 10987677), (3, 7325118), (6, 3662559), (9, 2441706), (18, 1220853), (27, 813902), (54, 406951)]