21344872

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{37579}}^1$

素因数の和:37656

約数の個数: 16

約数和(自身を含む): 40586400

約数和(自身を除く): 19241528

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 37579, 75158, 150316, 300632, 2668109, 5336218, 10672436, 21344872]

約数ペア:

[(1, 21344872), (2, 10672436), (4, 5336218), (8, 2668109), (71, 300632), (142, 150316), (284, 75158), (568, 37579)]