21034096

素因数分解:

$2^4\times {\mathrm{811}}^1\times {\mathrm{1621}}^1$

素因数の和:2440

約数の個数: 20

約数和(自身を含む): 40828984

約数和(自身を除く): 19794888

約数列:

[1, 2, 4, 8, 16, 811, 1621, 1622, 3242, 3244, 6484, 6488, 12968, 12976, 25936, 1314631, 2629262, 5258524, 10517048, 21034096]

約数ペア:

[(1, 21034096), (2, 10517048), (4, 5258524), (8, 2629262), (16, 1314631), (811, 25936), (1621, 12976), (1622, 12968), (3242, 6488), (3244, 6484)]