21292403

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:418

約数の個数: 16

約数和(自身を含む): 23846400

約数和(自身を除く): 2553997

約数列:

[1, 11, 71, 137, 199, 781, 1507, 2189, 9727, 14129, 27263, 106997, 155419, 299893, 1935673, 21292403]

約数ペア:

[(1, 21292403), (11, 1935673), (71, 299893), (137, 155419), (199, 106997), (781, 27263), (1507, 14129), (2189, 9727)]