21947587

素因数分解:

${\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 23506560

約数和(自身を除く): 1558973

約数列:

[1, 41, 43, 59, 211, 1763, 2419, 2537, 8651, 9073, 12449, 104017, 371993, 510409, 535307, 21947587]

約数ペア:

[(1, 21947587), (41, 535307), (43, 510409), (59, 371993), (211, 104017), (1763, 12449), (2419, 9073), (2537, 8651)]