21255212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15583}}^1$

素因数の和:15629

約数の個数: 24

約数和(自身を含む): 41889792

約数和(自身を除く): 20634580

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15583, 31166, 62332, 171413, 342826, 483073, 685652, 966146, 1932292, 5313803, 10627606, 21255212]

約数ペア:

[(1, 21255212), (2, 10627606), (4, 5313803), (11, 1932292), (22, 966146), (31, 685652), (44, 483073), (62, 342826), (124, 171413), (341, 62332), (682, 31166), (1364, 15583)]