21919759

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 23998464

約数和(自身を除く): 2078705

約数列:

[1, 23, 31, 71, 433, 713, 1633, 2201, 9959, 13423, 30743, 50623, 308729, 707089, 953033, 21919759]

約数ペア:

[(1, 21919759), (23, 953033), (31, 707089), (71, 308729), (433, 50623), (713, 30743), (1633, 13423), (2201, 9959)]