21270702

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{66889}}^1$

素因数の和:66947

約数の個数: 16

約数和(自身を含む): 43344720

約数和(自身を除く): 22074018

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 66889, 133778, 200667, 401334, 3545117, 7090234, 10635351, 21270702]

約数ペア:

[(1, 21270702), (2, 10635351), (3, 7090234), (6, 3545117), (53, 401334), (106, 200667), (159, 133778), (318, 66889)]