21099657

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1\times {\mathrm{439}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 29025920

約数和(自身を除く): 7926263

約数列:

[1, 3, 37, 111, 433, 439, 1299, 1317, 16021, 16243, 48063, 48729, 190087, 570261, 7033219, 21099657]

約数ペア:

[(1, 21099657), (3, 7033219), (37, 570261), (111, 190087), (433, 48729), (439, 48063), (1299, 16243), (1317, 16021)]