21862448

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{2393}}^1$

素因数の和:2972

約数の個数: 20

約数和(自身を含む): 42450408

約数和(自身を除く): 20587960

約数列:

[1, 2, 4, 8, 16, 571, 1142, 2284, 2393, 4568, 4786, 9136, 9572, 19144, 38288, 1366403, 2732806, 5465612, 10931224, 21862448]

約数ペア:

[(1, 21862448), (2, 10931224), (4, 5465612), (8, 2732806), (16, 1366403), (571, 38288), (1142, 19144), (2284, 9572), (2393, 9136), (4568, 4786)]