21513492

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 75264000

約数和(自身を除く): 53750508

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 27, 28, 33, 36, 39, 42, 44, 52, 54, 63, 66, 77, 78, 84, 91, 99, 108, 117, 126, 132, 143, 154, 156, 182, 189, 198, 199, 231, 234, 252, 273, 286, 297, 308, 351, 364, 378, 396, 398, 429, 462, 468, 546, 572, 594, 597, 693, 702, 756, 796, 819, 858, 924, 1001, 1092, 1188, 1194, 1287, 1386, 1393, 1404, 1638, 1716, 1791, 2002, 2079, 2189, 2388, 2457, 2574, 2587, 2772, 2786, 3003, 3276, 3582, 3861, 4004, 4158, 4179, 4378, 4914, 5148, 5174, 5373, 5572, 6006, 6567, 7164, 7722, 7761, 8316, 8358, 8756, 9009, 9828, 10348, 10746, 12012, 12537, 13134, 15323, 15444, 15522, 16716, 18018, 18109, 19701, 21492, 23283, 25074, 26268, 27027, 28457, 30646, 31044, 36036, 36218, 37611, 39402, 45969, 46566, 50148, 54054, 54327, 56914, 59103, 61292, 69849, 72436, 75222, 78804, 85371, 91938, 93132, 108108, 108654, 113828, 118206, 137907, 139698, 150444, 162981, 170742, 183876, 199199, 217308, 236412, 256113, 275814, 279396, 325962, 341484, 398398, 413721, 488943, 512226, 551628, 597597, 651924, 768339, 796796, 827442, 977886, 1024452, 1195194, 1536678, 1654884, 1792791, 1955772, 2390388, 3073356, 3585582, 5378373, 7171164, 10756746, 21513492]

約数ペア:

[(1, 21513492), (2, 10756746), (3, 7171164), (4, 5378373), (6, 3585582), (7, 3073356), (9, 2390388), (11, 1955772), (12, 1792791), (13, 1654884), (14, 1536678), (18, 1195194), (21, 1024452), (22, 977886), (26, 827442), (27, 796796), (28, 768339), (33, 651924), (36, 597597), (39, 551628), (42, 512226), (44, 488943), (52, 413721), (54, 398398), (63, 341484), (66, 325962), (77, 279396), (78, 275814), (84, 256113), (91, 236412), (99, 217308), (108, 199199), (117, 183876), (126, 170742), (132, 162981), (143, 150444), (154, 139698), (156, 137907), (182, 118206), (189, 113828), (198, 108654), (199, 108108), (231, 93132), (234, 91938), (252, 85371), (273, 78804), (286, 75222), (297, 72436), (308, 69849), (351, 61292), (364, 59103), (378, 56914), (396, 54327), (398, 54054), (429, 50148), (462, 46566), (468, 45969), (546, 39402), (572, 37611), (594, 36218), (597, 36036), (693, 31044), (702, 30646), (756, 28457), (796, 27027), (819, 26268), (858, 25074), (924, 23283), (1001, 21492), (1092, 19701), (1188, 18109), (1194, 18018), (1287, 16716), (1386, 15522), (1393, 15444), (1404, 15323), (1638, 13134), (1716, 12537), (1791, 12012), (2002, 10746), (2079, 10348), (2189, 9828), (2388, 9009), (2457, 8756), (2574, 8358), (2587, 8316), (2772, 7761), (2786, 7722), (3003, 7164), (3276, 6567), (3582, 6006), (3861, 5572), (4004, 5373), (4158, 5174), (4179, 5148), (4378, 4914)]