21577072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122597}}^1$

素因数の和:122616

約数の個数: 20

約数和(自身を含む): 45606456

約数和(自身を除く): 24029384

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122597, 245194, 490388, 980776, 1348567, 1961552, 2697134, 5394268, 10788536, 21577072]

約数ペア:

[(1, 21577072), (2, 10788536), (4, 5394268), (8, 2697134), (11, 1961552), (16, 1348567), (22, 980776), (44, 490388), (88, 245194), (176, 122597)]