21002036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20753}}^1$

素因数の和:20791

約数の個数: 24

約数和(自身を含む): 41840064

約数和(自身を除く): 20838028

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 20753, 41506, 83012, 228283, 456566, 477319, 913132, 954638, 1909276, 5250509, 10501018, 21002036]

約数ペア:

[(1, 21002036), (2, 10501018), (4, 5250509), (11, 1909276), (22, 954638), (23, 913132), (44, 477319), (46, 456566), (92, 228283), (253, 83012), (506, 41506), (1012, 20753)]