21897288

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1889}}^1$

素因数の和:1931

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 48864312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 56, 63, 69, 72, 84, 92, 126, 138, 161, 168, 184, 207, 252, 276, 322, 414, 483, 504, 552, 644, 828, 966, 1288, 1449, 1656, 1889, 1932, 2898, 3778, 3864, 5667, 5796, 7556, 11334, 11592, 13223, 15112, 17001, 22668, 26446, 34002, 39669, 43447, 45336, 52892, 68004, 79338, 86894, 105784, 119007, 130341, 136008, 158676, 173788, 238014, 260682, 304129, 317352, 347576, 391023, 476028, 521364, 608258, 782046, 912387, 952056, 1042728, 1216516, 1564092, 1824774, 2433032, 2737161, 3128184, 3649548, 5474322, 7299096, 10948644, 21897288]

約数ペア:

[(1, 21897288), (2, 10948644), (3, 7299096), (4, 5474322), (6, 3649548), (7, 3128184), (8, 2737161), (9, 2433032), (12, 1824774), (14, 1564092), (18, 1216516), (21, 1042728), (23, 952056), (24, 912387), (28, 782046), (36, 608258), (42, 521364), (46, 476028), (56, 391023), (63, 347576), (69, 317352), (72, 304129), (84, 260682), (92, 238014), (126, 173788), (138, 158676), (161, 136008), (168, 130341), (184, 119007), (207, 105784), (252, 86894), (276, 79338), (322, 68004), (414, 52892), (483, 45336), (504, 43447), (552, 39669), (644, 34002), (828, 26446), (966, 22668), (1288, 17001), (1449, 15112), (1656, 13223), (1889, 11592), (1932, 11334), (2898, 7556), (3778, 5796), (3864, 5667)]