21392584

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{37663}}^1$

素因数の和:37740

約数の個数: 16

約数和(自身を含む): 40677120

約数和(自身を除く): 19284536

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 37663, 75326, 150652, 301304, 2674073, 5348146, 10696292, 21392584]

約数ペア:

[(1, 21392584), (2, 10696292), (4, 5348146), (8, 2674073), (71, 301304), (142, 150652), (284, 75326), (568, 37663)]