21015722

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{115471}}^1$

素因数の和:115493

約数の個数: 16

約数和(自身を含む): 38798592

約数和(自身を除く): 17782870

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 115471, 230942, 808297, 1501123, 1616594, 3002246, 10507861, 21015722]

約数ペア:

[(1, 21015722), (2, 10507861), (7, 3002246), (13, 1616594), (14, 1501123), (26, 808297), (91, 230942), (182, 115471)]