21809309040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30290707}}^1$

素因数の和:30290726

約数の個数: 60

約数和(自身を含む): 73242931944

約数和(自身を除く): 51433622904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 30290707, 60581414, 90872121, 121162828, 151453535, 181744242, 242325656, 272616363, 302907070, 363488484, 454360605, 484651312, 545232726, 605814140, 726976968, 908721210, 1090465452, 1211628280, 1363081815, 1453953936, 1817442420, 2180930904, 2423256560, 2726163630, 3634884840, 4361861808, 5452327260, 7269769680, 10904654520, 21809309040]

約数ペア:

[(1, 21809309040), (2, 10904654520), (3, 7269769680), (4, 5452327260), (5, 4361861808), (6, 3634884840), (8, 2726163630), (9, 2423256560), (10, 2180930904), (12, 1817442420), (15, 1453953936), (16, 1363081815), (18, 1211628280), (20, 1090465452), (24, 908721210), (30, 726976968), (36, 605814140), (40, 545232726), (45, 484651312), (48, 454360605), (60, 363488484), (72, 302907070), (80, 272616363), (90, 242325656), (120, 181744242), (144, 151453535), (180, 121162828), (240, 90872121), (360, 60581414), (720, 30290707)]