21910735

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56911}}^1$

素因数の和:56934

約数の個数: 16

約数和(自身を含む): 32781312

約数和(自身を除く): 10870577

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 56911, 284555, 398377, 626021, 1991885, 3130105, 4382147, 21910735]

約数ペア:

[(1, 21910735), (5, 4382147), (7, 3130105), (11, 1991885), (35, 626021), (55, 398377), (77, 284555), (385, 56911)]