21572584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5701}}^1$

素因数の和:5761

約数の個数: 32

約数和(自身を含む): 45159840

約数和(自身を除く): 23587256

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5701, 11402, 22804, 45608, 62711, 125422, 245143, 250844, 490286, 501688, 980572, 1961144, 2696573, 5393146, 10786292, 21572584]

約数ペア:

[(1, 21572584), (2, 10786292), (4, 5393146), (8, 2696573), (11, 1961144), (22, 980572), (43, 501688), (44, 490286), (86, 250844), (88, 245143), (172, 125422), (344, 62711), (473, 45608), (946, 22804), (1892, 11402), (3784, 5701)]