21219205920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1301}}^1\times {\mathrm{3089}}^1$

素因数の和:4419

約数の個数: 192

約数和(自身を含む): 72996577920

約数和(自身を除く): 51777372000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1301, 1320, 1760, 2602, 2640, 3089, 3903, 5204, 5280, 6178, 6505, 7806, 9267, 10408, 12356, 13010, 14311, 15445, 15612, 18534, 19515, 20816, 24712, 26020, 28622, 30890, 31224, 33979, 37068, 39030, 41632, 42933, 46335, 49424, 52040, 57244, 61780, 62448, 67958, 71555, 74136, 78060, 85866, 92670, 98848, 101937, 104080, 114488, 123560, 124896, 135916, 143110, 148272, 156120, 169895, 171732, 185340, 203874, 208160, 214665, 228976, 247120, 271832, 286220, 296544, 312240, 339790, 343464, 370680, 407748, 429330, 457952, 494240, 509685, 543664, 572440, 624480, 679580, 686928, 741360, 815496, 858660, 1019370, 1087328, 1144880, 1359160, 1373856, 1482720, 1630992, 1717320, 2038740, 2289760, 2718320, 3261984, 3434640, 4018789, 4077480, 5436640, 6869280, 8037578, 8154960, 12056367, 16075156, 16309920, 20093945, 24112734, 32150312, 40187890, 44206679, 48225468, 60281835, 64300624, 80375780, 88413358, 96450936, 120563670, 128601248, 132620037, 160751560, 176826716, 192901872, 221033395, 241127340, 265240074, 321503120, 353653432, 385803744, 442066790, 482254680, 530480148, 643006240, 663100185, 707306864, 884133580, 964509360, 1060960296, 1326200370, 1414613728, 1768267160, 1929018720, 2121920592, 2652400740, 3536534320, 4243841184, 5304801480, 7073068640, 10609602960, 21219205920]

約数ペア:

[(1, 21219205920), (2, 10609602960), (3, 7073068640), (4, 5304801480), (5, 4243841184), (6, 3536534320), (8, 2652400740), (10, 2121920592), (11, 1929018720), (12, 1768267160), (15, 1414613728), (16, 1326200370), (20, 1060960296), (22, 964509360), (24, 884133580), (30, 707306864), (32, 663100185), (33, 643006240), (40, 530480148), (44, 482254680), (48, 442066790), (55, 385803744), (60, 353653432), (66, 321503120), (80, 265240074), (88, 241127340), (96, 221033395), (110, 192901872), (120, 176826716), (132, 160751560), (160, 132620037), (165, 128601248), (176, 120563670), (220, 96450936), (240, 88413358), (264, 80375780), (330, 64300624), (352, 60281835), (440, 48225468), (480, 44206679), (528, 40187890), (660, 32150312), (880, 24112734), (1056, 20093945), (1301, 16309920), (1320, 16075156), (1760, 12056367), (2602, 8154960), (2640, 8037578), (3089, 6869280), (3903, 5436640), (5204, 4077480), (5280, 4018789), (6178, 3434640), (6505, 3261984), (7806, 2718320), (9267, 2289760), (10408, 2038740), (12356, 1717320), (13010, 1630992), (14311, 1482720), (15445, 1373856), (15612, 1359160), (18534, 1144880), (19515, 1087328), (20816, 1019370), (24712, 858660), (26020, 815496), (28622, 741360), (30890, 686928), (31224, 679580), (33979, 624480), (37068, 572440), (39030, 543664), (41632, 509685), (42933, 494240), (46335, 457952), (49424, 429330), (52040, 407748), (57244, 370680), (61780, 343464), (62448, 339790), (67958, 312240), (71555, 296544), (74136, 286220), (78060, 271832), (85866, 247120), (92670, 228976), (98848, 214665), (101937, 208160), (104080, 203874), (114488, 185340), (123560, 171732), (124896, 169895), (135916, 156120), (143110, 148272)]