21270136

素因数分解:

$2^3\times {\mathrm{1091}}^1\times {\mathrm{2437}}^1$

素因数の和:3534

約数の個数: 16

約数和(自身を含む): 39934440

約数和(自身を除く): 18664304

約数列:

[1, 2, 4, 8, 1091, 2182, 2437, 4364, 4874, 8728, 9748, 19496, 2658767, 5317534, 10635068, 21270136]

約数ペア:

[(1, 21270136), (2, 10635068), (4, 5317534), (8, 2658767), (1091, 19496), (2182, 9748), (2437, 8728), (4364, 4874)]