21702568

素因数分解:

$2^3\times {\mathrm{571}}^1\times {\mathrm{4751}}^1$

素因数の和:5328

約数の個数: 16

約数和(自身を含む): 40772160

約数和(自身を除く): 19069592

約数列:

[1, 2, 4, 8, 571, 1142, 2284, 4568, 4751, 9502, 19004, 38008, 2712821, 5425642, 10851284, 21702568]

約数ペア:

[(1, 21702568), (2, 10851284), (4, 5425642), (8, 2712821), (571, 38008), (1142, 19004), (2284, 9502), (4568, 4751)]