21404804520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{647}}^1$

素因数の和:1096

約数の個数: 256

約数和(自身を含む): 71350087680

約数和(自身を除く): 49945283160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 88, 110, 120, 132, 142, 165, 213, 220, 264, 284, 330, 353, 355, 426, 440, 568, 647, 660, 706, 710, 781, 852, 1059, 1065, 1294, 1320, 1412, 1420, 1562, 1704, 1765, 1941, 2118, 2130, 2343, 2588, 2824, 2840, 3124, 3235, 3530, 3882, 3883, 3905, 4236, 4260, 4686, 5176, 5295, 6248, 6470, 7060, 7117, 7764, 7766, 7810, 8472, 8520, 9372, 9705, 10590, 11649, 11715, 12940, 14120, 14234, 15528, 15532, 15620, 18744, 19410, 19415, 21180, 21351, 23298, 23430, 25063, 25880, 28468, 31064, 31240, 35585, 38820, 38830, 42360, 42702, 45937, 46596, 46860, 50126, 56936, 58245, 71170, 75189, 77640, 77660, 85404, 91874, 93192, 93720, 100252, 106755, 116490, 125315, 137811, 142340, 150378, 155320, 170808, 183748, 200504, 213510, 228391, 229685, 232980, 250630, 275622, 275693, 284680, 300756, 367496, 375945, 427020, 456782, 459370, 465960, 501260, 505307, 551244, 551386, 601512, 685173, 689055, 751890, 827079, 854040, 913564, 918740, 1002520, 1010614, 1102488, 1102772, 1141955, 1370346, 1378110, 1378465, 1503780, 1515921, 1654158, 1827128, 1837480, 2021228, 2205544, 2283910, 2512301, 2526535, 2740692, 2756220, 2756930, 3007560, 3031842, 3308316, 3425865, 4042456, 4135395, 4567820, 5024602, 5053070, 5481384, 5512440, 5513860, 6063684, 6616632, 6851730, 7536903, 7579605, 8270790, 9135640, 10049204, 10106140, 11027720, 12127368, 12561505, 13703460, 15073806, 15159210, 16215761, 16541580, 20098408, 20212280, 25123010, 27406920, 30147612, 30318420, 32431522, 33083160, 37684515, 48647283, 50246020, 60295224, 60636840, 64863044, 75369030, 81078805, 97294566, 100492040, 129726088, 150738060, 162157610, 178373371, 194589132, 243236415, 301476120, 324315220, 356746742, 389178264, 486472830, 535120113, 648630440, 713493484, 891866855, 972945660, 1070240226, 1426986968, 1783733710, 1945891320, 2140480452, 2675600565, 3567467420, 4280960904, 5351201130, 7134934840, 10702402260, 21404804520]

約数ペア:

[(1, 21404804520), (2, 10702402260), (3, 7134934840), (4, 5351201130), (5, 4280960904), (6, 3567467420), (8, 2675600565), (10, 2140480452), (11, 1945891320), (12, 1783733710), (15, 1426986968), (20, 1070240226), (22, 972945660), (24, 891866855), (30, 713493484), (33, 648630440), (40, 535120113), (44, 486472830), (55, 389178264), (60, 356746742), (66, 324315220), (71, 301476120), (88, 243236415), (110, 194589132), (120, 178373371), (132, 162157610), (142, 150738060), (165, 129726088), (213, 100492040), (220, 97294566), (264, 81078805), (284, 75369030), (330, 64863044), (353, 60636840), (355, 60295224), (426, 50246020), (440, 48647283), (568, 37684515), (647, 33083160), (660, 32431522), (706, 30318420), (710, 30147612), (781, 27406920), (852, 25123010), (1059, 20212280), (1065, 20098408), (1294, 16541580), (1320, 16215761), (1412, 15159210), (1420, 15073806), (1562, 13703460), (1704, 12561505), (1765, 12127368), (1941, 11027720), (2118, 10106140), (2130, 10049204), (2343, 9135640), (2588, 8270790), (2824, 7579605), (2840, 7536903), (3124, 6851730), (3235, 6616632), (3530, 6063684), (3882, 5513860), (3883, 5512440), (3905, 5481384), (4236, 5053070), (4260, 5024602), (4686, 4567820), (5176, 4135395), (5295, 4042456), (6248, 3425865), (6470, 3308316), (7060, 3031842), (7117, 3007560), (7764, 2756930), (7766, 2756220), (7810, 2740692), (8472, 2526535), (8520, 2512301), (9372, 2283910), (9705, 2205544), (10590, 2021228), (11649, 1837480), (11715, 1827128), (12940, 1654158), (14120, 1515921), (14234, 1503780), (15528, 1378465), (15532, 1378110), (15620, 1370346), (18744, 1141955), (19410, 1102772), (19415, 1102488), (21180, 1010614), (21351, 1002520), (23298, 918740), (23430, 913564), (25063, 854040), (25880, 827079), (28468, 751890), (31064, 689055), (31240, 685173), (35585, 601512), (38820, 551386), (38830, 551244), (42360, 505307), (42702, 501260), (45937, 465960), (46596, 459370), (46860, 456782), (50126, 427020), (56936, 375945), (58245, 367496), (71170, 300756), (75189, 284680), (77640, 275693), (77660, 275622), (85404, 250630), (91874, 232980), (93192, 229685), (93720, 228391), (100252, 213510), (106755, 200504), (116490, 183748), (125315, 170808), (137811, 155320), (142340, 150378)]