21978672

素因数分解:

$2^4\times 3^1\times {\mathrm{457889}}^1$

素因数の和:457900

約数の個数: 20

約数和(自身を含む): 56778360

約数和(自身を除く): 34799688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 457889, 915778, 1373667, 1831556, 2747334, 3663112, 5494668, 7326224, 10989336, 21978672]

約数ペア:

[(1, 21978672), (2, 10989336), (3, 7326224), (4, 5494668), (6, 3663112), (8, 2747334), (12, 1831556), (16, 1373667), (24, 915778), (48, 457889)]