21055177800

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{54917}}^1$

素因数の和:55013

約数の個数: 192

約数和(自身を含む): 73546185600

約数和(自身を除く): 52491007800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 71, 72, 75, 90, 100, 108, 120, 135, 142, 150, 180, 200, 213, 216, 225, 270, 284, 300, 355, 360, 426, 450, 540, 568, 600, 639, 675, 710, 852, 900, 1065, 1080, 1278, 1350, 1420, 1704, 1775, 1800, 1917, 2130, 2556, 2700, 2840, 3195, 3550, 3834, 4260, 5112, 5325, 5400, 6390, 7100, 7668, 8520, 9585, 10650, 12780, 14200, 15336, 15975, 19170, 21300, 25560, 31950, 38340, 42600, 47925, 54917, 63900, 76680, 95850, 109834, 127800, 164751, 191700, 219668, 274585, 329502, 383400, 439336, 494253, 549170, 659004, 823755, 988506, 1098340, 1318008, 1372925, 1482759, 1647510, 1977012, 2196680, 2471265, 2745850, 2965518, 3295020, 3899107, 3954024, 4118775, 4942530, 5491700, 5931036, 6590040, 7413795, 7798214, 8237550, 9885060, 10983400, 11697321, 11862072, 12356325, 14827590, 15596428, 16475100, 19495535, 19770120, 23394642, 24712650, 29655180, 31192856, 32950200, 35091963, 37068975, 38991070, 46789284, 49425300, 58486605, 59310360, 70183926, 74137950, 77982140, 93578568, 97477675, 98850600, 105275889, 116973210, 140367852, 148275900, 155964280, 175459815, 194955350, 210551778, 233946420, 280735704, 292433025, 296551800, 350919630, 389910700, 421103556, 467892840, 526379445, 584866050, 701839260, 779821400, 842207112, 877299075, 1052758890, 1169732100, 1403678520, 1754598150, 2105517780, 2339464200, 2631897225, 3509196300, 4211035560, 5263794450, 7018392600, 10527588900, 21055177800]

約数ペア:

[(1, 21055177800), (2, 10527588900), (3, 7018392600), (4, 5263794450), (5, 4211035560), (6, 3509196300), (8, 2631897225), (9, 2339464200), (10, 2105517780), (12, 1754598150), (15, 1403678520), (18, 1169732100), (20, 1052758890), (24, 877299075), (25, 842207112), (27, 779821400), (30, 701839260), (36, 584866050), (40, 526379445), (45, 467892840), (50, 421103556), (54, 389910700), (60, 350919630), (71, 296551800), (72, 292433025), (75, 280735704), (90, 233946420), (100, 210551778), (108, 194955350), (120, 175459815), (135, 155964280), (142, 148275900), (150, 140367852), (180, 116973210), (200, 105275889), (213, 98850600), (216, 97477675), (225, 93578568), (270, 77982140), (284, 74137950), (300, 70183926), (355, 59310360), (360, 58486605), (426, 49425300), (450, 46789284), (540, 38991070), (568, 37068975), (600, 35091963), (639, 32950200), (675, 31192856), (710, 29655180), (852, 24712650), (900, 23394642), (1065, 19770120), (1080, 19495535), (1278, 16475100), (1350, 15596428), (1420, 14827590), (1704, 12356325), (1775, 11862072), (1800, 11697321), (1917, 10983400), (2130, 9885060), (2556, 8237550), (2700, 7798214), (2840, 7413795), (3195, 6590040), (3550, 5931036), (3834, 5491700), (4260, 4942530), (5112, 4118775), (5325, 3954024), (5400, 3899107), (6390, 3295020), (7100, 2965518), (7668, 2745850), (8520, 2471265), (9585, 2196680), (10650, 1977012), (12780, 1647510), (14200, 1482759), (15336, 1372925), (15975, 1318008), (19170, 1098340), (21300, 988506), (25560, 823755), (31950, 659004), (38340, 549170), (42600, 494253), (47925, 439336), (54917, 383400), (63900, 329502), (76680, 274585), (95850, 219668), (109834, 191700), (127800, 164751)]