21187320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2293}}^1$

素因数の和:2325

約数の個数: 128

約数和(自身を含む): 79280640

約数和(自身を除く): 58093320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2293, 2310, 3080, 4586, 4620, 6879, 9172, 9240, 11465, 13758, 16051, 18344, 22930, 25223, 27516, 32102, 34395, 45860, 48153, 50446, 55032, 64204, 68790, 75669, 80255, 91720, 96306, 100892, 126115, 128408, 137580, 151338, 160510, 176561, 192612, 201784, 240765, 252230, 275160, 302676, 321020, 353122, 378345, 385224, 481530, 504460, 529683, 605352, 642040, 706244, 756690, 882805, 963060, 1008920, 1059366, 1412488, 1513380, 1765610, 1926120, 2118732, 2648415, 3026760, 3531220, 4237464, 5296830, 7062440, 10593660, 21187320]

約数ペア:

[(1, 21187320), (2, 10593660), (3, 7062440), (4, 5296830), (5, 4237464), (6, 3531220), (7, 3026760), (8, 2648415), (10, 2118732), (11, 1926120), (12, 1765610), (14, 1513380), (15, 1412488), (20, 1059366), (21, 1008920), (22, 963060), (24, 882805), (28, 756690), (30, 706244), (33, 642040), (35, 605352), (40, 529683), (42, 504460), (44, 481530), (55, 385224), (56, 378345), (60, 353122), (66, 321020), (70, 302676), (77, 275160), (84, 252230), (88, 240765), (105, 201784), (110, 192612), (120, 176561), (132, 160510), (140, 151338), (154, 137580), (165, 128408), (168, 126115), (210, 100892), (220, 96306), (231, 91720), (264, 80255), (280, 75669), (308, 68790), (330, 64204), (385, 55032), (420, 50446), (440, 48153), (462, 45860), (616, 34395), (660, 32102), (770, 27516), (840, 25223), (924, 22930), (1155, 18344), (1320, 16051), (1540, 13758), (1848, 11465), (2293, 9240), (2310, 9172), (3080, 6879), (4586, 4620)]