21405160800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{2972939}}^1$

素因数の和:2972965

約数の個数: 108

約数和(自身を含む): 75479973660

約数和(自身を除く): 54074812860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 1200, 1440, 1800, 2400, 3600, 7200, 2972939, 5945878, 8918817, 11891756, 14864695, 17837634, 23783512, 26756451, 29729390, 35675268, 44594085, 47567024, 53512902, 59458780, 71350536, 74323475, 89188170, 95134048, 107025804, 118917560, 133782255, 142701072, 148646950, 178376340, 214051608, 222970425, 237835120, 267564510, 285402144, 297293900, 356752680, 428103216, 445940850, 475670240, 535129020, 594587800, 668911275, 713505360, 856206432, 891881700, 1070258040, 1189175600, 1337822550, 1427010720, 1783763400, 2140516080, 2378351200, 2675645100, 3567526800, 4281032160, 5351290200, 7135053600, 10702580400, 21405160800]

約数ペア:

[(1, 21405160800), (2, 10702580400), (3, 7135053600), (4, 5351290200), (5, 4281032160), (6, 3567526800), (8, 2675645100), (9, 2378351200), (10, 2140516080), (12, 1783763400), (15, 1427010720), (16, 1337822550), (18, 1189175600), (20, 1070258040), (24, 891881700), (25, 856206432), (30, 713505360), (32, 668911275), (36, 594587800), (40, 535129020), (45, 475670240), (48, 445940850), (50, 428103216), (60, 356752680), (72, 297293900), (75, 285402144), (80, 267564510), (90, 237835120), (96, 222970425), (100, 214051608), (120, 178376340), (144, 148646950), (150, 142701072), (160, 133782255), (180, 118917560), (200, 107025804), (225, 95134048), (240, 89188170), (288, 74323475), (300, 71350536), (360, 59458780), (400, 53512902), (450, 47567024), (480, 44594085), (600, 35675268), (720, 29729390), (800, 26756451), (900, 23783512), (1200, 17837634), (1440, 14864695), (1800, 11891756), (2400, 8918817), (3600, 5945878), (7200, 2972939)]