21356944

素因数分解:

$2^4\times 7^2\times {\mathrm{27241}}^1$

素因数の和:27263

約数の個数: 30

約数和(自身を含む): 48136614

約数和(自身を除く): 26779670

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27241, 54482, 108964, 190687, 217928, 381374, 435856, 762748, 1334809, 1525496, 2669618, 3050992, 5339236, 10678472, 21356944]

約数ペア:

[(1, 21356944), (2, 10678472), (4, 5339236), (7, 3050992), (8, 2669618), (14, 1525496), (16, 1334809), (28, 762748), (49, 435856), (56, 381374), (98, 217928), (112, 190687), (196, 108964), (392, 54482), (784, 27241)]