21499224960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{31721}}^1$

素因数の和:32096

約数の個数: 128

約数和(自身を含む): 68725078560

約数和(自身を除く): 47225853600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 353, 384, 480, 640, 706, 960, 1059, 1412, 1765, 1920, 2118, 2824, 3530, 4236, 5295, 5648, 7060, 8472, 10590, 11296, 14120, 16944, 21180, 22592, 28240, 31721, 33888, 42360, 45184, 56480, 63442, 67776, 84720, 95163, 112960, 126884, 135552, 158605, 169440, 190326, 225920, 253768, 317210, 338880, 380652, 475815, 507536, 634420, 677760, 761304, 951630, 1015072, 1268840, 1522608, 1903260, 2030144, 2537680, 3045216, 3806520, 4060288, 5075360, 6090432, 7613040, 10150720, 11197513, 12180864, 15226080, 20301440, 22395026, 30452160, 33592539, 44790052, 55987565, 60904320, 67185078, 89580104, 111975130, 134370156, 167962695, 179160208, 223950260, 268740312, 335925390, 358320416, 447900520, 537480624, 671850780, 716640832, 895801040, 1074961248, 1343701560, 1433281664, 1791602080, 2149922496, 2687403120, 3583204160, 4299844992, 5374806240, 7166408320, 10749612480, 21499224960]

約数ペア:

[(1, 21499224960), (2, 10749612480), (3, 7166408320), (4, 5374806240), (5, 4299844992), (6, 3583204160), (8, 2687403120), (10, 2149922496), (12, 1791602080), (15, 1433281664), (16, 1343701560), (20, 1074961248), (24, 895801040), (30, 716640832), (32, 671850780), (40, 537480624), (48, 447900520), (60, 358320416), (64, 335925390), (80, 268740312), (96, 223950260), (120, 179160208), (128, 167962695), (160, 134370156), (192, 111975130), (240, 89580104), (320, 67185078), (353, 60904320), (384, 55987565), (480, 44790052), (640, 33592539), (706, 30452160), (960, 22395026), (1059, 20301440), (1412, 15226080), (1765, 12180864), (1920, 11197513), (2118, 10150720), (2824, 7613040), (3530, 6090432), (4236, 5075360), (5295, 4060288), (5648, 3806520), (7060, 3045216), (8472, 2537680), (10590, 2030144), (11296, 1903260), (14120, 1522608), (16944, 1268840), (21180, 1015072), (22592, 951630), (28240, 761304), (31721, 677760), (33888, 634420), (42360, 507536), (45184, 475815), (56480, 380652), (63442, 338880), (67776, 317210), (84720, 253768), (95163, 225920), (112960, 190326), (126884, 169440), (135552, 158605)]