21534744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 68935680

約数和(自身を除く): 47400936

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 43, 44, 56, 66, 77, 84, 86, 88, 129, 132, 154, 168, 172, 231, 258, 264, 271, 301, 308, 344, 462, 473, 516, 542, 602, 616, 813, 903, 924, 946, 1032, 1084, 1204, 1419, 1626, 1806, 1848, 1892, 1897, 2168, 2408, 2838, 2981, 3252, 3311, 3612, 3784, 3794, 5676, 5691, 5962, 6504, 6622, 7224, 7588, 8943, 9933, 11352, 11382, 11653, 11924, 13244, 15176, 17886, 19866, 20867, 22764, 23306, 23848, 26488, 34959, 35772, 39732, 41734, 45528, 46612, 62601, 69918, 71544, 79464, 81571, 83468, 93224, 125202, 128183, 139836, 163142, 166936, 244713, 250404, 256366, 279672, 326284, 384549, 489426, 500808, 512732, 652568, 769098, 897281, 978852, 1025464, 1538196, 1794562, 1957704, 2691843, 3076392, 3589124, 5383686, 7178248, 10767372, 21534744]

約数ペア:

[(1, 21534744), (2, 10767372), (3, 7178248), (4, 5383686), (6, 3589124), (7, 3076392), (8, 2691843), (11, 1957704), (12, 1794562), (14, 1538196), (21, 1025464), (22, 978852), (24, 897281), (28, 769098), (33, 652568), (42, 512732), (43, 500808), (44, 489426), (56, 384549), (66, 326284), (77, 279672), (84, 256366), (86, 250404), (88, 244713), (129, 166936), (132, 163142), (154, 139836), (168, 128183), (172, 125202), (231, 93224), (258, 83468), (264, 81571), (271, 79464), (301, 71544), (308, 69918), (344, 62601), (462, 46612), (473, 45528), (516, 41734), (542, 39732), (602, 35772), (616, 34959), (813, 26488), (903, 23848), (924, 23306), (946, 22764), (1032, 20867), (1084, 19866), (1204, 17886), (1419, 15176), (1626, 13244), (1806, 11924), (1848, 11653), (1892, 11382), (1897, 11352), (2168, 9933), (2408, 8943), (2838, 7588), (2981, 7224), (3252, 6622), (3311, 6504), (3612, 5962), (3784, 5691), (3794, 5676)]