21201712

素因数分解:

$2^4\times 7^2\times {\mathrm{27043}}^1$

素因数の和:27065

約数の個数: 30

約数和(自身を含む): 47786748

約数和(自身を除く): 26585036

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27043, 54086, 108172, 189301, 216344, 378602, 432688, 757204, 1325107, 1514408, 2650214, 3028816, 5300428, 10600856, 21201712]

約数ペア:

[(1, 21201712), (2, 10600856), (4, 5300428), (7, 3028816), (8, 2650214), (14, 1514408), (16, 1325107), (28, 757204), (49, 432688), (56, 378602), (98, 216344), (112, 189301), (196, 108172), (392, 54086), (784, 27043)]