21123296

素因数分解:

$2^5\times {\mathrm{660103}}^1$

素因数の和:660113

約数の個数: 12

約数和(自身を含む): 41586552

約数和(自身を除く): 20463256

約数列:

[1, 2, 4, 8, 16, 32, 660103, 1320206, 2640412, 5280824, 10561648, 21123296]

約数ペア:

[(1, 21123296), (2, 10561648), (4, 5280824), (8, 2640412), (16, 1320206), (32, 660103)]