21961800

素因数分解:

$2^3\times 3^3\times 5^2\times 7^2\times {\mathrm{83}}^1$

素因数の和:122

約数の個数: 288

約数和(自身を含む): 89056800

約数和(自身を除く): 67095000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 49, 50, 54, 56, 60, 63, 70, 72, 75, 83, 84, 90, 98, 100, 105, 108, 120, 126, 135, 140, 147, 150, 166, 168, 175, 180, 189, 196, 200, 210, 216, 225, 245, 249, 252, 270, 280, 294, 300, 315, 332, 350, 360, 378, 392, 415, 420, 441, 450, 490, 498, 504, 525, 540, 581, 588, 600, 630, 664, 675, 700, 735, 747, 756, 830, 840, 882, 900, 945, 980, 996, 1050, 1080, 1162, 1176, 1225, 1245, 1260, 1323, 1350, 1400, 1470, 1494, 1512, 1575, 1660, 1743, 1764, 1800, 1890, 1960, 1992, 2075, 2100, 2205, 2241, 2324, 2450, 2490, 2520, 2646, 2700, 2905, 2940, 2988, 3150, 3320, 3486, 3528, 3675, 3735, 3780, 4067, 4150, 4200, 4410, 4482, 4648, 4725, 4900, 4980, 5229, 5292, 5400, 5810, 5880, 5976, 6225, 6300, 6615, 6972, 7350, 7470, 7560, 8134, 8300, 8715, 8820, 8964, 9450, 9800, 9960, 10458, 10584, 11025, 11205, 11620, 12201, 12450, 12600, 13230, 13944, 14525, 14700, 14940, 15687, 16268, 16600, 17430, 17640, 17928, 18675, 18900, 20335, 20916, 22050, 22410, 23240, 24402, 24900, 26145, 26460, 29050, 29400, 29880, 31374, 32536, 33075, 34860, 36603, 37350, 37800, 40670, 41832, 43575, 44100, 44820, 48804, 49800, 52290, 52920, 56025, 58100, 61005, 62748, 66150, 69720, 73206, 74700, 78435, 81340, 87150, 88200, 89640, 97608, 101675, 104580, 109809, 112050, 116200, 122010, 125496, 130725, 132300, 146412, 149400, 156870, 162680, 174300, 183015, 203350, 209160, 219618, 224100, 244020, 261450, 264600, 292824, 305025, 313740, 348600, 366030, 392175, 406700, 439236, 448200, 488040, 522900, 549045, 610050, 627480, 732060, 784350, 813400, 878472, 915075, 1045800, 1098090, 1220100, 1464120, 1568700, 1830150, 2196180, 2440200, 2745225, 3137400, 3660300, 4392360, 5490450, 7320600, 10980900, 21961800]

約数ペア:

[(1, 21961800), (2, 10980900), (3, 7320600), (4, 5490450), (5, 4392360), (6, 3660300), (7, 3137400), (8, 2745225), (9, 2440200), (10, 2196180), (12, 1830150), (14, 1568700), (15, 1464120), (18, 1220100), (20, 1098090), (21, 1045800), (24, 915075), (25, 878472), (27, 813400), (28, 784350), (30, 732060), (35, 627480), (36, 610050), (40, 549045), (42, 522900), (45, 488040), (49, 448200), (50, 439236), (54, 406700), (56, 392175), (60, 366030), (63, 348600), (70, 313740), (72, 305025), (75, 292824), (83, 264600), (84, 261450), (90, 244020), (98, 224100), (100, 219618), (105, 209160), (108, 203350), (120, 183015), (126, 174300), (135, 162680), (140, 156870), (147, 149400), (150, 146412), (166, 132300), (168, 130725), (175, 125496), (180, 122010), (189, 116200), (196, 112050), (200, 109809), (210, 104580), (216, 101675), (225, 97608), (245, 89640), (249, 88200), (252, 87150), (270, 81340), (280, 78435), (294, 74700), (300, 73206), (315, 69720), (332, 66150), (350, 62748), (360, 61005), (378, 58100), (392, 56025), (415, 52920), (420, 52290), (441, 49800), (450, 48804), (490, 44820), (498, 44100), (504, 43575), (525, 41832), (540, 40670), (581, 37800), (588, 37350), (600, 36603), (630, 34860), (664, 33075), (675, 32536), (700, 31374), (735, 29880), (747, 29400), (756, 29050), (830, 26460), (840, 26145), (882, 24900), (900, 24402), (945, 23240), (980, 22410), (996, 22050), (1050, 20916), (1080, 20335), (1162, 18900), (1176, 18675), (1225, 17928), (1245, 17640), (1260, 17430), (1323, 16600), (1350, 16268), (1400, 15687), (1470, 14940), (1494, 14700), (1512, 14525), (1575, 13944), (1660, 13230), (1743, 12600), (1764, 12450), (1800, 12201), (1890, 11620), (1960, 11205), (1992, 11025), (2075, 10584), (2100, 10458), (2205, 9960), (2241, 9800), (2324, 9450), (2450, 8964), (2490, 8820), (2520, 8715), (2646, 8300), (2700, 8134), (2905, 7560), (2940, 7470), (2988, 7350), (3150, 6972), (3320, 6615), (3486, 6300), (3528, 6225), (3675, 5976), (3735, 5880), (3780, 5810), (4067, 5400), (4150, 5292), (4200, 5229), (4410, 4980), (4482, 4900), (4648, 4725)]