21716950

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{5233}}^1$

素因数の和:5328

約数の個数: 24

約数和(自身を含む): 40888008

約数和(自身を除く): 19171058

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 5233, 10466, 26165, 52330, 130825, 261650, 434339, 868678, 2171695, 4343390, 10858475, 21716950]

約数ペア:

[(1, 21716950), (2, 10858475), (5, 4343390), (10, 2171695), (25, 868678), (50, 434339), (83, 261650), (166, 130825), (415, 52330), (830, 26165), (2075, 10466), (4150, 5233)]