21662016

素因数分解:

$2^6\times 3^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:711

約数の個数: 56

約数和(自身を含む): 57668160

約数和(自身を除く): 36006144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 257, 439, 514, 771, 878, 1028, 1317, 1542, 1756, 2056, 2634, 3084, 3512, 4112, 5268, 6168, 7024, 8224, 10536, 12336, 14048, 16448, 21072, 24672, 28096, 42144, 49344, 84288, 112823, 225646, 338469, 451292, 676938, 902584, 1353876, 1805168, 2707752, 3610336, 5415504, 7220672, 10831008, 21662016]

約数ペア:

[(1, 21662016), (2, 10831008), (3, 7220672), (4, 5415504), (6, 3610336), (8, 2707752), (12, 1805168), (16, 1353876), (24, 902584), (32, 676938), (48, 451292), (64, 338469), (96, 225646), (192, 112823), (257, 84288), (439, 49344), (514, 42144), (771, 28096), (878, 24672), (1028, 21072), (1317, 16448), (1542, 14048), (1756, 12336), (2056, 10536), (2634, 8224), (3084, 7024), (3512, 6168), (4112, 5268)]