21091145474

素因数分解:

$2^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{1621}}^1\times {\mathrm{1777}}^1$

素因数の和:3930

約数の個数: 32

約数和(自身を含む): 36268127616

約数和(自身を除く): 15176982142

約数列:

[1, 2, 7, 14, 523, 1046, 1621, 1777, 3242, 3554, 3661, 7322, 11347, 12439, 22694, 24878, 847783, 929371, 1695566, 1858742, 2880517, 5761034, 5934481, 6505597, 11868962, 13011194, 20163619, 40327238, 1506510391, 3013020782, 10545572737, 21091145474]

約数ペア:

[(1, 21091145474), (2, 10545572737), (7, 3013020782), (14, 1506510391), (523, 40327238), (1046, 20163619), (1621, 13011194), (1777, 11868962), (3242, 6505597), (3554, 5934481), (3661, 5761034), (7322, 2880517), (11347, 1858742), (12439, 1695566), (22694, 929371), (24878, 847783)]