21917665

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56929}}^1$

素因数の和:56952

約数の個数: 16

約数和(自身を含む): 32791680

約数和(自身を除く): 10874015

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 56929, 284645, 398503, 626219, 1992515, 3131095, 4383533, 21917665]

約数ペア:

[(1, 21917665), (5, 4383533), (7, 3131095), (11, 1992515), (35, 626219), (55, 398503), (77, 284645), (385, 56929)]