21639982

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{118901}}^1$

素因数の和:118923

約数の個数: 16

約数和(自身を含む): 39951072

約数和(自身を除く): 18311090

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 118901, 237802, 832307, 1545713, 1664614, 3091426, 10819991, 21639982]

約数ペア:

[(1, 21639982), (2, 10819991), (7, 3091426), (13, 1664614), (14, 1545713), (26, 832307), (91, 237802), (182, 118901)]