21197041

素因数分解:

${\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 22695120

約数和(自身を除く): 1498079

約数列:

[1, 37, 41, 89, 157, 1517, 3293, 3649, 5809, 6437, 13973, 135013, 238169, 517001, 572893, 21197041]

約数ペア:

[(1, 21197041), (37, 572893), (41, 517001), (89, 238169), (157, 135013), (1517, 13973), (3293, 6437), (3649, 5809)]