21608280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 70817760

約数和(自身を除く): 49209480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 193, 311, 360, 386, 579, 622, 772, 933, 965, 1158, 1244, 1544, 1555, 1737, 1866, 1930, 2316, 2488, 2799, 2895, 3110, 3474, 3732, 3860, 4632, 4665, 5598, 5790, 6220, 6948, 7464, 7720, 8685, 9330, 11196, 11580, 12440, 13896, 13995, 17370, 18660, 22392, 23160, 27990, 34740, 37320, 55980, 60023, 69480, 111960, 120046, 180069, 240092, 300115, 360138, 480184, 540207, 600230, 720276, 900345, 1080414, 1200460, 1440552, 1800690, 2160828, 2400920, 2701035, 3601380, 4321656, 5402070, 7202760, 10804140, 21608280]

約数ペア:

[(1, 21608280), (2, 10804140), (3, 7202760), (4, 5402070), (5, 4321656), (6, 3601380), (8, 2701035), (9, 2400920), (10, 2160828), (12, 1800690), (15, 1440552), (18, 1200460), (20, 1080414), (24, 900345), (30, 720276), (36, 600230), (40, 540207), (45, 480184), (60, 360138), (72, 300115), (90, 240092), (120, 180069), (180, 120046), (193, 111960), (311, 69480), (360, 60023), (386, 55980), (579, 37320), (622, 34740), (772, 27990), (933, 23160), (965, 22392), (1158, 18660), (1244, 17370), (1544, 13995), (1555, 13896), (1737, 12440), (1866, 11580), (1930, 11196), (2316, 9330), (2488, 8685), (2799, 7720), (2895, 7464), (3110, 6948), (3474, 6220), (3732, 5790), (3860, 5598), (4632, 4665)]