21461120640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1241963}}^1$

素因数の和:1241991

約数の個数: 128

約数和(自身を含む): 76008196800

約数和(自身を除く): 54547076160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 1241963, 2483926, 3725889, 4967852, 6209815, 7451778, 9935704, 11177667, 12419630, 14903556, 18629445, 19871408, 22355334, 24839260, 29807112, 33533001, 37258890, 39742816, 44710668, 49678520, 55888335, 59614224, 67066002, 74517780, 79485632, 89421336, 99357040, 111776670, 119228448, 134132004, 149035560, 158971264, 167665005, 178842672, 198714080, 223553340, 238456896, 268264008, 298071120, 335330010, 357685344, 397428160, 447106680, 476913792, 536528016, 596142240, 670660020, 715370688, 794856320, 894213360, 1073056032, 1192284480, 1341320040, 1430741376, 1788426720, 2146112064, 2384568960, 2682640080, 3576853440, 4292224128, 5365280160, 7153706880, 10730560320, 21461120640]

約数ペア:

[(1, 21461120640), (2, 10730560320), (3, 7153706880), (4, 5365280160), (5, 4292224128), (6, 3576853440), (8, 2682640080), (9, 2384568960), (10, 2146112064), (12, 1788426720), (15, 1430741376), (16, 1341320040), (18, 1192284480), (20, 1073056032), (24, 894213360), (27, 794856320), (30, 715370688), (32, 670660020), (36, 596142240), (40, 536528016), (45, 476913792), (48, 447106680), (54, 397428160), (60, 357685344), (64, 335330010), (72, 298071120), (80, 268264008), (90, 238456896), (96, 223553340), (108, 198714080), (120, 178842672), (128, 167665005), (135, 158971264), (144, 149035560), (160, 134132004), (180, 119228448), (192, 111776670), (216, 99357040), (240, 89421336), (270, 79485632), (288, 74517780), (320, 67066002), (360, 59614224), (384, 55888335), (432, 49678520), (480, 44710668), (540, 39742816), (576, 37258890), (640, 33533001), (720, 29807112), (864, 24839260), (960, 22355334), (1080, 19871408), (1152, 18629445), (1440, 14903556), (1728, 12419630), (1920, 11177667), (2160, 9935704), (2880, 7451778), (3456, 6209815), (4320, 4967852), (5760, 3725889), (8640, 2483926), (17280, 1241963)]