21097016

素因数分解:

$2^3\times {\mathrm{1301}}^1\times {\mathrm{2027}}^1$

素因数の和:3334

約数の個数: 16

約数和(自身を含む): 39606840

約数和(自身を除く): 18509824

約数列:

[1, 2, 4, 8, 1301, 2027, 2602, 4054, 5204, 8108, 10408, 16216, 2637127, 5274254, 10548508, 21097016]

約数ペア:

[(1, 21097016), (2, 10548508), (4, 5274254), (8, 2637127), (1301, 16216), (2027, 10408), (2602, 8108), (4054, 5204)]