21621424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122849}}^1$

素因数の和:122868

約数の個数: 20

約数和(自身を含む): 45700200

約数和(自身を除く): 24078776

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122849, 245698, 491396, 982792, 1351339, 1965584, 2702678, 5405356, 10810712, 21621424]

約数ペア:

[(1, 21621424), (2, 10810712), (4, 5405356), (8, 2702678), (11, 1965584), (16, 1351339), (22, 982792), (44, 491396), (88, 245698), (176, 122849)]