21091728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{62773}}^1$

素因数の和:62791

約数の個数: 40

約数和(自身を含む): 62271808

約数和(自身を除く): 41180080

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 62773, 125546, 188319, 251092, 376638, 439411, 502184, 753276, 878822, 1004368, 1318233, 1506552, 1757644, 2636466, 3013104, 3515288, 5272932, 7030576, 10545864, 21091728]

約数ペア:

[(1, 21091728), (2, 10545864), (3, 7030576), (4, 5272932), (6, 3515288), (7, 3013104), (8, 2636466), (12, 1757644), (14, 1506552), (16, 1318233), (21, 1004368), (24, 878822), (28, 753276), (42, 502184), (48, 439411), (56, 376638), (84, 251092), (112, 188319), (168, 125546), (336, 62773)]