21459816

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 73382400

約数和(自身を除く): 51922584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 81, 83, 84, 108, 114, 126, 133, 152, 162, 166, 168, 171, 189, 216, 228, 243, 249, 252, 266, 324, 332, 342, 378, 399, 456, 486, 498, 504, 513, 532, 567, 581, 648, 664, 684, 747, 756, 798, 972, 996, 1026, 1064, 1134, 1162, 1197, 1368, 1494, 1512, 1539, 1577, 1596, 1701, 1743, 1944, 1992, 2052, 2241, 2268, 2324, 2394, 2988, 3078, 3154, 3192, 3402, 3486, 3591, 4104, 4482, 4536, 4617, 4648, 4731, 4788, 5229, 5976, 6156, 6308, 6723, 6804, 6972, 7182, 8964, 9234, 9462, 9576, 10458, 10773, 11039, 12312, 12616, 13446, 13608, 13944, 14193, 14364, 15687, 17928, 18468, 18924, 20169, 20916, 21546, 22078, 26892, 28386, 28728, 31374, 32319, 33117, 36936, 37848, 40338, 41832, 42579, 43092, 44156, 47061, 53784, 56772, 62748, 64638, 66234, 80676, 85158, 86184, 88312, 94122, 99351, 113544, 125496, 127737, 129276, 132468, 141183, 161352, 170316, 188244, 198702, 255474, 258552, 264936, 282366, 298053, 340632, 376488, 383211, 397404, 510948, 564732, 596106, 766422, 794808, 894159, 1021896, 1129464, 1192212, 1532844, 1788318, 2384424, 2682477, 3065688, 3576636, 5364954, 7153272, 10729908, 21459816]

約数ペア:

[(1, 21459816), (2, 10729908), (3, 7153272), (4, 5364954), (6, 3576636), (7, 3065688), (8, 2682477), (9, 2384424), (12, 1788318), (14, 1532844), (18, 1192212), (19, 1129464), (21, 1021896), (24, 894159), (27, 794808), (28, 766422), (36, 596106), (38, 564732), (42, 510948), (54, 397404), (56, 383211), (57, 376488), (63, 340632), (72, 298053), (76, 282366), (81, 264936), (83, 258552), (84, 255474), (108, 198702), (114, 188244), (126, 170316), (133, 161352), (152, 141183), (162, 132468), (166, 129276), (168, 127737), (171, 125496), (189, 113544), (216, 99351), (228, 94122), (243, 88312), (249, 86184), (252, 85158), (266, 80676), (324, 66234), (332, 64638), (342, 62748), (378, 56772), (399, 53784), (456, 47061), (486, 44156), (498, 43092), (504, 42579), (513, 41832), (532, 40338), (567, 37848), (581, 36936), (648, 33117), (664, 32319), (684, 31374), (747, 28728), (756, 28386), (798, 26892), (972, 22078), (996, 21546), (1026, 20916), (1064, 20169), (1134, 18924), (1162, 18468), (1197, 17928), (1368, 15687), (1494, 14364), (1512, 14193), (1539, 13944), (1577, 13608), (1596, 13446), (1701, 12616), (1743, 12312), (1944, 11039), (1992, 10773), (2052, 10458), (2241, 9576), (2268, 9462), (2324, 9234), (2394, 8964), (2988, 7182), (3078, 6972), (3154, 6804), (3192, 6723), (3402, 6308), (3486, 6156), (3591, 5976), (4104, 5229), (4482, 4788), (4536, 4731), (4617, 4648)]