21281568

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2879}}^1$

素因数の和:2910

約数の個数: 96

約数和(自身を含む): 69672960

約数和(自身を除く): 48391392

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 66, 77, 84, 88, 96, 112, 132, 154, 168, 176, 224, 231, 264, 308, 336, 352, 462, 528, 616, 672, 924, 1056, 1232, 1848, 2464, 2879, 3696, 5758, 7392, 8637, 11516, 17274, 20153, 23032, 31669, 34548, 40306, 46064, 60459, 63338, 69096, 80612, 92128, 95007, 120918, 126676, 138192, 161224, 190014, 221683, 241836, 253352, 276384, 322448, 380028, 443366, 483672, 506704, 644896, 665049, 760056, 886732, 967344, 1013408, 1330098, 1520112, 1773464, 1934688, 2660196, 3040224, 3546928, 5320392, 7093856, 10640784, 21281568]

約数ペア:

[(1, 21281568), (2, 10640784), (3, 7093856), (4, 5320392), (6, 3546928), (7, 3040224), (8, 2660196), (11, 1934688), (12, 1773464), (14, 1520112), (16, 1330098), (21, 1013408), (22, 967344), (24, 886732), (28, 760056), (32, 665049), (33, 644896), (42, 506704), (44, 483672), (48, 443366), (56, 380028), (66, 322448), (77, 276384), (84, 253352), (88, 241836), (96, 221683), (112, 190014), (132, 161224), (154, 138192), (168, 126676), (176, 120918), (224, 95007), (231, 92128), (264, 80612), (308, 69096), (336, 63338), (352, 60459), (462, 46064), (528, 40306), (616, 34548), (672, 31669), (924, 23032), (1056, 20153), (1232, 17274), (1848, 11516), (2464, 8637), (2879, 7392), (3696, 5758)]