21463568

素因数分解:

$2^4\times 7^3\times {\mathrm{3911}}^1$

素因数の和:3940

約数の個数: 40

約数和(自身を含む): 48508800

約数和(自身を除く): 27045232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 3911, 5488, 7822, 15644, 27377, 31288, 54754, 62576, 109508, 191639, 219016, 383278, 438032, 766556, 1341473, 1533112, 2682946, 3066224, 5365892, 10731784, 21463568]

約数ペア:

[(1, 21463568), (2, 10731784), (4, 5365892), (7, 3066224), (8, 2682946), (14, 1533112), (16, 1341473), (28, 766556), (49, 438032), (56, 383278), (98, 219016), (112, 191639), (196, 109508), (343, 62576), (392, 54754), (686, 31288), (784, 27377), (1372, 15644), (2744, 7822), (3911, 5488)]