21541012560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9972691}}^1$

素因数の和:9972713

約数の個数: 80

約数和(自身を含む): 74196828480

約数和(自身を除く): 52655815920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9972691, 19945382, 29918073, 39890764, 49863455, 59836146, 79781528, 89754219, 99726910, 119672292, 149590365, 159563056, 179508438, 199453820, 239344584, 269262657, 299180730, 359016876, 398907640, 448771095, 478689168, 538525314, 598361460, 718033752, 797815280, 897542190, 1077050628, 1196722920, 1346313285, 1436067504, 1795084380, 2154101256, 2393445840, 2692626570, 3590168760, 4308202512, 5385253140, 7180337520, 10770506280, 21541012560]

約数ペア:

[(1, 21541012560), (2, 10770506280), (3, 7180337520), (4, 5385253140), (5, 4308202512), (6, 3590168760), (8, 2692626570), (9, 2393445840), (10, 2154101256), (12, 1795084380), (15, 1436067504), (16, 1346313285), (18, 1196722920), (20, 1077050628), (24, 897542190), (27, 797815280), (30, 718033752), (36, 598361460), (40, 538525314), (45, 478689168), (48, 448771095), (54, 398907640), (60, 359016876), (72, 299180730), (80, 269262657), (90, 239344584), (108, 199453820), (120, 179508438), (135, 159563056), (144, 149590365), (180, 119672292), (216, 99726910), (240, 89754219), (270, 79781528), (360, 59836146), (432, 49863455), (540, 39890764), (720, 29918073), (1080, 19945382), (2160, 9972691)]