21150286

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{3271}}^1$

素因数の和:3387

約数の個数: 16

約数和(自身を含む): 32863968

約数和(自身を除く): 11713682

約数列:

[1, 2, 53, 61, 106, 122, 3233, 3271, 6466, 6542, 173363, 199531, 346726, 399062, 10575143, 21150286]

約数ペア:

[(1, 21150286), (2, 10575143), (53, 399062), (61, 346726), (106, 199531), (122, 173363), (3233, 6542), (3271, 6466)]