21389292

素因数分解:

$2^2\times 3^3\times {\mathrm{73}}^1\times {\mathrm{2713}}^1$

素因数の和:2799

約数の個数: 48

約数和(自身を含む): 56234080

約数和(自身を除く): 34844788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 108, 146, 219, 292, 438, 657, 876, 1314, 1971, 2628, 2713, 3942, 5426, 7884, 8139, 10852, 16278, 24417, 32556, 48834, 73251, 97668, 146502, 198049, 293004, 396098, 594147, 792196, 1188294, 1782441, 2376588, 3564882, 5347323, 7129764, 10694646, 21389292]

約数ペア:

[(1, 21389292), (2, 10694646), (3, 7129764), (4, 5347323), (6, 3564882), (9, 2376588), (12, 1782441), (18, 1188294), (27, 792196), (36, 594147), (54, 396098), (73, 293004), (108, 198049), (146, 146502), (219, 97668), (292, 73251), (438, 48834), (657, 32556), (876, 24417), (1314, 16278), (1971, 10852), (2628, 8139), (2713, 7884), (3942, 5426)]