21239408

素因数分解:

$2^4\times {\mathrm{733}}^1\times {\mathrm{1811}}^1$

素因数の和:2552

約数の個数: 20

約数和(自身を含む): 41230248

約数和(自身を除く): 19990840

約数列:

[1, 2, 4, 8, 16, 733, 1466, 1811, 2932, 3622, 5864, 7244, 11728, 14488, 28976, 1327463, 2654926, 5309852, 10619704, 21239408]

約数ペア:

[(1, 21239408), (2, 10619704), (4, 5309852), (8, 2654926), (16, 1327463), (733, 28976), (1466, 14488), (1811, 11728), (2932, 7244), (3622, 5864)]