21186143

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{953}}^1$

素因数の和:1054

約数の個数: 16

約数和(自身を含む): 24178176

約数和(自身を除く): 2992033

約数列:

[1, 11, 43, 47, 473, 517, 953, 2021, 10483, 22231, 40979, 44791, 450769, 492701, 1926013, 21186143]

約数ペア:

[(1, 21186143), (11, 1926013), (43, 492701), (47, 450769), (473, 44791), (517, 40979), (953, 22231), (2021, 10483)]