21013186800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{1637}}^1$

素因数の和:2240

約数の個数: 240

約数和(自身を含む): 71024204160

約数和(自身を除く): 50011017360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 100, 114, 120, 150, 152, 190, 200, 228, 240, 285, 300, 304, 380, 400, 456, 475, 563, 570, 600, 760, 912, 950, 1126, 1140, 1200, 1425, 1520, 1637, 1689, 1900, 2252, 2280, 2815, 2850, 3274, 3378, 3800, 4504, 4560, 4911, 5630, 5700, 6548, 6756, 7600, 8185, 8445, 9008, 9822, 10697, 11260, 11400, 13096, 13512, 14075, 16370, 16890, 19644, 21394, 22520, 22800, 24555, 26192, 27024, 28150, 31103, 32091, 32740, 33780, 39288, 40925, 42225, 42788, 45040, 49110, 53485, 56300, 62206, 64182, 65480, 67560, 78576, 81850, 84450, 85576, 93309, 98220, 106970, 112600, 122775, 124412, 128364, 130960, 135120, 155515, 160455, 163700, 168900, 171152, 186618, 196440, 213940, 225200, 245550, 248824, 256728, 267425, 311030, 320910, 327400, 337800, 373236, 392880, 427880, 466545, 491100, 497648, 513456, 534850, 622060, 641820, 654800, 675600, 746472, 777575, 802275, 855760, 921631, 933090, 982200, 1069700, 1244120, 1283640, 1492944, 1555150, 1604550, 1843262, 1866180, 1964400, 2139400, 2332725, 2488240, 2567280, 2764893, 3110300, 3209100, 3686524, 3732360, 4278800, 4608155, 4665450, 5529786, 6220600, 6418200, 7373048, 7464720, 9216310, 9330900, 11059572, 12441200, 12836400, 13824465, 14746096, 17510989, 18432620, 18661800, 22119144, 23040775, 27648930, 35021978, 36865240, 37323600, 44238288, 46081550, 52532967, 55297860, 69122325, 70043956, 73730480, 87554945, 92163100, 105065934, 110595720, 138244650, 140087912, 175109890, 184326200, 210131868, 221191440, 262664835, 276489300, 280175824, 350219780, 368652400, 420263736, 437774725, 525329670, 552978600, 700439560, 840527472, 875549450, 1050659340, 1105957200, 1313324175, 1400879120, 1751098900, 2101318680, 2626648350, 3502197800, 4202637360, 5253296700, 7004395600, 10506593400, 21013186800]

約数ペア:

[(1, 21013186800), (2, 10506593400), (3, 7004395600), (4, 5253296700), (5, 4202637360), (6, 3502197800), (8, 2626648350), (10, 2101318680), (12, 1751098900), (15, 1400879120), (16, 1313324175), (19, 1105957200), (20, 1050659340), (24, 875549450), (25, 840527472), (30, 700439560), (38, 552978600), (40, 525329670), (48, 437774725), (50, 420263736), (57, 368652400), (60, 350219780), (75, 280175824), (76, 276489300), (80, 262664835), (95, 221191440), (100, 210131868), (114, 184326200), (120, 175109890), (150, 140087912), (152, 138244650), (190, 110595720), (200, 105065934), (228, 92163100), (240, 87554945), (285, 73730480), (300, 70043956), (304, 69122325), (380, 55297860), (400, 52532967), (456, 46081550), (475, 44238288), (563, 37323600), (570, 36865240), (600, 35021978), (760, 27648930), (912, 23040775), (950, 22119144), (1126, 18661800), (1140, 18432620), (1200, 17510989), (1425, 14746096), (1520, 13824465), (1637, 12836400), (1689, 12441200), (1900, 11059572), (2252, 9330900), (2280, 9216310), (2815, 7464720), (2850, 7373048), (3274, 6418200), (3378, 6220600), (3800, 5529786), (4504, 4665450), (4560, 4608155), (4911, 4278800), (5630, 3732360), (5700, 3686524), (6548, 3209100), (6756, 3110300), (7600, 2764893), (8185, 2567280), (8445, 2488240), (9008, 2332725), (9822, 2139400), (10697, 1964400), (11260, 1866180), (11400, 1843262), (13096, 1604550), (13512, 1555150), (14075, 1492944), (16370, 1283640), (16890, 1244120), (19644, 1069700), (21394, 982200), (22520, 933090), (22800, 921631), (24555, 855760), (26192, 802275), (27024, 777575), (28150, 746472), (31103, 675600), (32091, 654800), (32740, 641820), (33780, 622060), (39288, 534850), (40925, 513456), (42225, 497648), (42788, 491100), (45040, 466545), (49110, 427880), (53485, 392880), (56300, 373236), (62206, 337800), (64182, 327400), (65480, 320910), (67560, 311030), (78576, 267425), (81850, 256728), (84450, 248824), (85576, 245550), (93309, 225200), (98220, 213940), (106970, 196440), (112600, 186618), (122775, 171152), (124412, 168900), (128364, 163700), (130960, 160455), (135120, 155515)]