21740756

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8641}}^1$

素因数の和:8699

約数の個数: 24

約数和(自身を含む): 41377896

約数和(自身を除く): 19637140

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8641, 17282, 34564, 146897, 293794, 319717, 587588, 639434, 1278868, 5435189, 10870378, 21740756]

約数ペア:

[(1, 21740756), (2, 10870378), (4, 5435189), (17, 1278868), (34, 639434), (37, 587588), (68, 319717), (74, 293794), (148, 146897), (629, 34564), (1258, 17282), (2516, 8641)]