21807192

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 65007360

約数和(自身を除く): 43200168

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 43, 44, 51, 66, 68, 86, 88, 102, 113, 129, 132, 136, 172, 187, 204, 226, 258, 264, 339, 344, 374, 408, 452, 473, 516, 561, 678, 731, 748, 904, 946, 1032, 1122, 1243, 1356, 1419, 1462, 1496, 1892, 1921, 2193, 2244, 2486, 2712, 2838, 2924, 3729, 3784, 3842, 4386, 4488, 4859, 4972, 5676, 5763, 5848, 7458, 7684, 8041, 8772, 9718, 9944, 11352, 11526, 14577, 14916, 15368, 16082, 17544, 19436, 21131, 23052, 24123, 29154, 29832, 32164, 38872, 42262, 46104, 48246, 53449, 58308, 63393, 64328, 82603, 84524, 96492, 106898, 116616, 126786, 160347, 165206, 169048, 192984, 213796, 247809, 253572, 320694, 330412, 427592, 495618, 507144, 641388, 660824, 908633, 991236, 1282776, 1817266, 1982472, 2725899, 3634532, 5451798, 7269064, 10903596, 21807192]

約数ペア:

[(1, 21807192), (2, 10903596), (3, 7269064), (4, 5451798), (6, 3634532), (8, 2725899), (11, 1982472), (12, 1817266), (17, 1282776), (22, 991236), (24, 908633), (33, 660824), (34, 641388), (43, 507144), (44, 495618), (51, 427592), (66, 330412), (68, 320694), (86, 253572), (88, 247809), (102, 213796), (113, 192984), (129, 169048), (132, 165206), (136, 160347), (172, 126786), (187, 116616), (204, 106898), (226, 96492), (258, 84524), (264, 82603), (339, 64328), (344, 63393), (374, 58308), (408, 53449), (452, 48246), (473, 46104), (516, 42262), (561, 38872), (678, 32164), (731, 29832), (748, 29154), (904, 24123), (946, 23052), (1032, 21131), (1122, 19436), (1243, 17544), (1356, 16082), (1419, 15368), (1462, 14916), (1496, 14577), (1892, 11526), (1921, 11352), (2193, 9944), (2244, 9718), (2486, 8772), (2712, 8041), (2838, 7684), (2924, 7458), (3729, 5848), (3784, 5763), (3842, 5676), (4386, 4972), (4488, 4859)]