21787444850

素因数分解:

$2^1\times 5^2\times {\mathrm{257}}^1\times {\mathrm{313}}^1\times {\mathrm{5417}}^1$

素因数の和:5999

約数の個数: 48

約数和(自身を含む): 40819840488

約数和(自身を除く): 19032395638

約数列:

[1, 2, 5, 10, 25, 50, 257, 313, 514, 626, 1285, 1565, 2570, 3130, 5417, 6425, 7825, 10834, 12850, 15650, 27085, 54170, 80441, 135425, 160882, 270850, 402205, 804410, 1392169, 1695521, 2011025, 2784338, 3391042, 4022050, 6960845, 8477605, 13921690, 16955210, 34804225, 42388025, 69608450, 84776050, 435748897, 871497794, 2178744485, 4357488970, 10893722425, 21787444850]

約数ペア:

[(1, 21787444850), (2, 10893722425), (5, 4357488970), (10, 2178744485), (25, 871497794), (50, 435748897), (257, 84776050), (313, 69608450), (514, 42388025), (626, 34804225), (1285, 16955210), (1565, 13921690), (2570, 8477605), (3130, 6960845), (5417, 4022050), (6425, 3391042), (7825, 2784338), (10834, 2011025), (12850, 1695521), (15650, 1392169), (27085, 804410), (54170, 402205), (80441, 270850), (135425, 160882)]