21799645

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{5821}}^1$

素因数の和:5940

約数の個数: 16

約数和(自身を含む): 30181248

約数和(自身を除く): 8381603

約数列:

[1, 5, 7, 35, 107, 535, 749, 3745, 5821, 29105, 40747, 203735, 622847, 3114235, 4359929, 21799645]

約数ペア:

[(1, 21799645), (5, 4359929), (7, 3114235), (35, 622847), (107, 203735), (535, 40747), (749, 29105), (3745, 5821)]