21721231680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{22469}}^1$

素因数の和:22561

約数の個数: 224

約数和(自身を含む): 73967644800

約数和(自身を除く): 52246413120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 53, 57, 60, 64, 76, 80, 95, 96, 106, 114, 120, 152, 159, 160, 190, 192, 212, 228, 240, 265, 285, 304, 318, 320, 380, 424, 456, 480, 530, 570, 608, 636, 760, 795, 848, 912, 960, 1007, 1060, 1140, 1216, 1272, 1520, 1590, 1696, 1824, 2014, 2120, 2280, 2544, 3021, 3040, 3180, 3392, 3648, 4028, 4240, 4560, 5035, 5088, 6042, 6080, 6360, 8056, 8480, 9120, 10070, 10176, 12084, 12720, 15105, 16112, 16960, 18240, 20140, 22469, 24168, 25440, 30210, 32224, 40280, 44938, 48336, 50880, 60420, 64448, 67407, 80560, 89876, 96672, 112345, 120840, 134814, 161120, 179752, 193344, 224690, 241680, 269628, 322240, 337035, 359504, 426911, 449380, 483360, 539256, 674070, 719008, 853822, 898760, 966720, 1078512, 1190857, 1280733, 1348140, 1438016, 1707644, 1797520, 2134555, 2157024, 2381714, 2561466, 2696280, 3415288, 3572571, 3595040, 4269110, 4314048, 4763428, 5122932, 5392560, 5954285, 6403665, 6830576, 7145142, 7190080, 8538220, 9526856, 10245864, 10785120, 11908570, 12807330, 13661152, 14290284, 17076440, 17862855, 19053712, 20491728, 21570240, 22626283, 23817140, 25614660, 27322304, 28580568, 34152880, 35725710, 38107424, 40983456, 45252566, 47634280, 51229320, 57161136, 67878849, 68305760, 71451420, 76214848, 81966912, 90505132, 95268560, 102458640, 113131415, 114322272, 135757698, 136611520, 142902840, 181010264, 190537120, 204917280, 226262830, 228644544, 271515396, 285805680, 339394245, 362020528, 381074240, 409834560, 452525660, 543030792, 571611360, 678788490, 724041056, 905051320, 1086061584, 1143222720, 1357576980, 1448082112, 1810102640, 2172123168, 2715153960, 3620205280, 4344246336, 5430307920, 7240410560, 10860615840, 21721231680]

約数ペア:

[(1, 21721231680), (2, 10860615840), (3, 7240410560), (4, 5430307920), (5, 4344246336), (6, 3620205280), (8, 2715153960), (10, 2172123168), (12, 1810102640), (15, 1448082112), (16, 1357576980), (19, 1143222720), (20, 1086061584), (24, 905051320), (30, 724041056), (32, 678788490), (38, 571611360), (40, 543030792), (48, 452525660), (53, 409834560), (57, 381074240), (60, 362020528), (64, 339394245), (76, 285805680), (80, 271515396), (95, 228644544), (96, 226262830), (106, 204917280), (114, 190537120), (120, 181010264), (152, 142902840), (159, 136611520), (160, 135757698), (190, 114322272), (192, 113131415), (212, 102458640), (228, 95268560), (240, 90505132), (265, 81966912), (285, 76214848), (304, 71451420), (318, 68305760), (320, 67878849), (380, 57161136), (424, 51229320), (456, 47634280), (480, 45252566), (530, 40983456), (570, 38107424), (608, 35725710), (636, 34152880), (760, 28580568), (795, 27322304), (848, 25614660), (912, 23817140), (960, 22626283), (1007, 21570240), (1060, 20491728), (1140, 19053712), (1216, 17862855), (1272, 17076440), (1520, 14290284), (1590, 13661152), (1696, 12807330), (1824, 11908570), (2014, 10785120), (2120, 10245864), (2280, 9526856), (2544, 8538220), (3021, 7190080), (3040, 7145142), (3180, 6830576), (3392, 6403665), (3648, 5954285), (4028, 5392560), (4240, 5122932), (4560, 4763428), (5035, 4314048), (5088, 4269110), (6042, 3595040), (6080, 3572571), (6360, 3415288), (8056, 2696280), (8480, 2561466), (9120, 2381714), (10070, 2157024), (10176, 2134555), (12084, 1797520), (12720, 1707644), (15105, 1438016), (16112, 1348140), (16960, 1280733), (18240, 1190857), (20140, 1078512), (22469, 966720), (24168, 898760), (25440, 853822), (30210, 719008), (32224, 674070), (40280, 539256), (44938, 483360), (48336, 449380), (50880, 426911), (60420, 359504), (64448, 337035), (67407, 322240), (80560, 269628), (89876, 241680), (96672, 224690), (112345, 193344), (120840, 179752), (134814, 161120)]