21564802

素因数分解:

$2^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1117}}^1$

素因数の和:1330

約数の個数: 24

約数和(自身を含む): 37853244

約数和(自身を除く): 16288442

約数列:

[1, 2, 7, 14, 49, 98, 197, 394, 1117, 1379, 2234, 2758, 7819, 9653, 15638, 19306, 54733, 109466, 220049, 440098, 1540343, 3080686, 10782401, 21564802]

約数ペア:

[(1, 21564802), (2, 10782401), (7, 3080686), (14, 1540343), (49, 440098), (98, 220049), (197, 109466), (394, 54733), (1117, 19306), (1379, 15638), (2234, 9653), (2758, 7819)]