21288446

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{2011}}^1$

素因数の和:2159

約数の個数: 16

約数和(自身を含む): 32835840

約数和(自身を除く): 11547394

約数列:

[1, 2, 67, 79, 134, 158, 2011, 4022, 5293, 10586, 134737, 158869, 269474, 317738, 10644223, 21288446]

約数ペア:

[(1, 21288446), (2, 10644223), (67, 317738), (79, 269474), (134, 158869), (158, 134737), (2011, 10586), (4022, 5293)]