21304504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1613}}^1$

素因数の和:1759

約数の個数: 32

約数和(自身を含む): 43384320

約数和(自身を除く): 22079816

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1613, 1651, 3226, 3302, 6452, 6604, 12904, 13208, 20969, 41938, 83876, 167752, 204851, 409702, 819404, 1638808, 2663063, 5326126, 10652252, 21304504]

約数ペア:

[(1, 21304504), (2, 10652252), (4, 5326126), (8, 2663063), (13, 1638808), (26, 819404), (52, 409702), (104, 204851), (127, 167752), (254, 83876), (508, 41938), (1016, 20969), (1613, 13208), (1651, 12904), (3226, 6604), (3302, 6452)]