21090648

素因数分解:

$2^3\times 3^1\times {\mathrm{878777}}^1$

素因数の和:878786

約数の個数: 16

約数和(自身を含む): 52726680

約数和(自身を除く): 31636032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 878777, 1757554, 2636331, 3515108, 5272662, 7030216, 10545324, 21090648]

約数ペア:

[(1, 21090648), (2, 10545324), (3, 7030216), (4, 5272662), (6, 3515108), (8, 2636331), (12, 1757554), (24, 878777)]