21795542

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{839}}^1$

素因数の和:1291

約数の個数: 16

約数和(自身を含む): 33868800

約数和(自身を除く): 12073258

約数列:

[1, 2, 31, 62, 419, 838, 839, 1678, 12989, 25978, 26009, 52018, 351541, 703082, 10897771, 21795542]

約数ペア:

[(1, 21795542), (2, 10897771), (31, 703082), (62, 351541), (419, 52018), (838, 26009), (839, 25978), (1678, 12989)]