21010222730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:804

約数の個数: 128

約数和(自身を含む): 44983848960

約数和(自身を除く): 23973626230

約数列:

[1, 2, 5, 7, 10, 14, 35, 59, 70, 71, 118, 137, 142, 274, 295, 355, 413, 497, 523, 590, 685, 710, 826, 959, 994, 1046, 1370, 1918, 2065, 2485, 2615, 3661, 4130, 4189, 4795, 4970, 5230, 7322, 8083, 8378, 9590, 9727, 16166, 18305, 19454, 20945, 29323, 30857, 36610, 37133, 40415, 41890, 48635, 56581, 58646, 61714, 68089, 71651, 74266, 80830, 97270, 113162, 136178, 143302, 146615, 154285, 185665, 215999, 259931, 282905, 293230, 308570, 340445, 358255, 371330, 431998, 501557, 519862, 565810, 573893, 680890, 716510, 1003114, 1079995, 1147786, 1299655, 2159990, 2190847, 2507785, 2599310, 2869465, 4017251, 4227409, 4381694, 5015570, 5087221, 5738930, 8034502, 8454818, 10174442, 10954235, 15335929, 20086255, 21137045, 21908470, 25436105, 29591863, 30671858, 35610547, 40172510, 42274090, 50872210, 59183726, 71221094, 76679645, 147959315, 153359290, 178052735, 295918630, 300146039, 356105470, 600292078, 1500730195, 2101022273, 3001460390, 4202044546, 10505111365, 21010222730]

約数ペア:

[(1, 21010222730), (2, 10505111365), (5, 4202044546), (7, 3001460390), (10, 2101022273), (14, 1500730195), (35, 600292078), (59, 356105470), (70, 300146039), (71, 295918630), (118, 178052735), (137, 153359290), (142, 147959315), (274, 76679645), (295, 71221094), (355, 59183726), (413, 50872210), (497, 42274090), (523, 40172510), (590, 35610547), (685, 30671858), (710, 29591863), (826, 25436105), (959, 21908470), (994, 21137045), (1046, 20086255), (1370, 15335929), (1918, 10954235), (2065, 10174442), (2485, 8454818), (2615, 8034502), (3661, 5738930), (4130, 5087221), (4189, 5015570), (4795, 4381694), (4970, 4227409), (5230, 4017251), (7322, 2869465), (8083, 2599310), (8378, 2507785), (9590, 2190847), (9727, 2159990), (16166, 1299655), (18305, 1147786), (19454, 1079995), (20945, 1003114), (29323, 716510), (30857, 680890), (36610, 573893), (37133, 565810), (40415, 519862), (41890, 501557), (48635, 431998), (56581, 371330), (58646, 358255), (61714, 340445), (68089, 308570), (71651, 293230), (74266, 282905), (80830, 259931), (97270, 215999), (113162, 185665), (136178, 154285), (143302, 146615)]