21471814

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{117977}}^1$

素因数の和:117999

約数の個数: 16

約数和(自身を含む): 39640608

約数和(自身を除く): 18168794

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 117977, 235954, 825839, 1533701, 1651678, 3067402, 10735907, 21471814]

約数ペア:

[(1, 21471814), (2, 10735907), (7, 3067402), (13, 1651678), (14, 1533701), (26, 825839), (91, 235954), (182, 117977)]