21039961320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{60943}}^1$

素因数の和:61104

約数の個数: 192

約数和(自身を含む): 78720145920

約数和(自身を除く): 57680184600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 137, 140, 168, 180, 210, 252, 274, 280, 315, 360, 411, 420, 504, 548, 630, 685, 822, 840, 959, 1096, 1233, 1260, 1370, 1644, 1918, 2055, 2466, 2520, 2740, 2877, 3288, 3836, 4110, 4795, 4932, 5480, 5754, 6165, 7672, 8220, 8631, 9590, 9864, 11508, 12330, 14385, 16440, 17262, 19180, 23016, 24660, 28770, 34524, 38360, 43155, 49320, 57540, 60943, 69048, 86310, 115080, 121886, 172620, 182829, 243772, 304715, 345240, 365658, 426601, 487544, 548487, 609430, 731316, 853202, 914145, 1096974, 1218860, 1279803, 1462632, 1706404, 1828290, 2133005, 2193948, 2437720, 2559606, 2742435, 3412808, 3656580, 3839409, 4266010, 4387896, 5119212, 5484870, 6399015, 7313160, 7678818, 8349191, 8532020, 10238424, 10969740, 12798030, 15357636, 16698382, 17064040, 19197045, 21939480, 25047573, 25596060, 30715272, 33396764, 38394090, 41745955, 50095146, 51192120, 58444337, 66793528, 75142719, 76788180, 83491910, 100190292, 116888674, 125237865, 150285438, 153576360, 166983820, 175333011, 200380584, 233777348, 250475730, 292221685, 300570876, 333967640, 350666022, 375713595, 467554696, 500951460, 525999033, 584443370, 601141752, 701332044, 751427190, 876665055, 1001902920, 1051998066, 1168886740, 1402664088, 1502854380, 1753330110, 2103996132, 2337773480, 2629995165, 3005708760, 3506660220, 4207992264, 5259990330, 7013320440, 10519980660, 21039961320]

約数ペア:

[(1, 21039961320), (2, 10519980660), (3, 7013320440), (4, 5259990330), (5, 4207992264), (6, 3506660220), (7, 3005708760), (8, 2629995165), (9, 2337773480), (10, 2103996132), (12, 1753330110), (14, 1502854380), (15, 1402664088), (18, 1168886740), (20, 1051998066), (21, 1001902920), (24, 876665055), (28, 751427190), (30, 701332044), (35, 601141752), (36, 584443370), (40, 525999033), (42, 500951460), (45, 467554696), (56, 375713595), (60, 350666022), (63, 333967640), (70, 300570876), (72, 292221685), (84, 250475730), (90, 233777348), (105, 200380584), (120, 175333011), (126, 166983820), (137, 153576360), (140, 150285438), (168, 125237865), (180, 116888674), (210, 100190292), (252, 83491910), (274, 76788180), (280, 75142719), (315, 66793528), (360, 58444337), (411, 51192120), (420, 50095146), (504, 41745955), (548, 38394090), (630, 33396764), (685, 30715272), (822, 25596060), (840, 25047573), (959, 21939480), (1096, 19197045), (1233, 17064040), (1260, 16698382), (1370, 15357636), (1644, 12798030), (1918, 10969740), (2055, 10238424), (2466, 8532020), (2520, 8349191), (2740, 7678818), (2877, 7313160), (3288, 6399015), (3836, 5484870), (4110, 5119212), (4795, 4387896), (4932, 4266010), (5480, 3839409), (5754, 3656580), (6165, 3412808), (7672, 2742435), (8220, 2559606), (8631, 2437720), (9590, 2193948), (9864, 2133005), (11508, 1828290), (12330, 1706404), (14385, 1462632), (16440, 1279803), (17262, 1218860), (19180, 1096974), (23016, 914145), (24660, 853202), (28770, 731316), (34524, 609430), (38360, 548487), (43155, 487544), (49320, 426601), (57540, 365658), (60943, 345240), (69048, 304715), (86310, 243772), (115080, 182829), (121886, 172620)]