21762608

素因数分解:

$2^4\times 7^1\times {\mathrm{194309}}^1$

素因数の和:194324

約数の個数: 20

約数和(自身を含む): 48188880

約数和(自身を除く): 26426272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 194309, 388618, 777236, 1360163, 1554472, 2720326, 3108944, 5440652, 10881304, 21762608]

約数ペア:

[(1, 21762608), (2, 10881304), (4, 5440652), (7, 3108944), (8, 2720326), (14, 1554472), (16, 1360163), (28, 777236), (56, 388618), (112, 194309)]