21371688

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:133

約数の個数: 160

約数和(自身を含む): 67082400

約数和(自身を除く): 45710712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 43, 52, 54, 59, 72, 78, 81, 86, 104, 108, 117, 118, 129, 156, 162, 172, 177, 216, 234, 236, 258, 312, 324, 344, 351, 354, 387, 468, 472, 516, 531, 559, 648, 702, 708, 767, 774, 936, 1032, 1053, 1062, 1118, 1161, 1404, 1416, 1534, 1548, 1593, 1677, 2106, 2124, 2236, 2301, 2322, 2537, 2808, 3068, 3096, 3186, 3354, 3483, 4212, 4248, 4472, 4602, 4644, 4779, 5031, 5074, 6136, 6372, 6708, 6903, 6966, 7611, 8424, 9204, 9288, 9558, 10062, 10148, 12744, 13416, 13806, 13932, 15093, 15222, 18408, 19116, 20124, 20296, 20709, 22833, 27612, 27864, 30186, 30444, 32981, 38232, 40248, 41418, 45279, 45666, 55224, 60372, 60888, 62127, 65962, 68499, 82836, 90558, 91332, 98943, 120744, 124254, 131924, 136998, 165672, 181116, 182664, 197886, 205497, 248508, 263848, 273996, 296829, 362232, 395772, 410994, 497016, 547992, 593658, 791544, 821988, 890487, 1187316, 1643976, 1780974, 2374632, 2671461, 3561948, 5342922, 7123896, 10685844, 21371688]

約数ペア:

[(1, 21371688), (2, 10685844), (3, 7123896), (4, 5342922), (6, 3561948), (8, 2671461), (9, 2374632), (12, 1780974), (13, 1643976), (18, 1187316), (24, 890487), (26, 821988), (27, 791544), (36, 593658), (39, 547992), (43, 497016), (52, 410994), (54, 395772), (59, 362232), (72, 296829), (78, 273996), (81, 263848), (86, 248508), (104, 205497), (108, 197886), (117, 182664), (118, 181116), (129, 165672), (156, 136998), (162, 131924), (172, 124254), (177, 120744), (216, 98943), (234, 91332), (236, 90558), (258, 82836), (312, 68499), (324, 65962), (344, 62127), (351, 60888), (354, 60372), (387, 55224), (468, 45666), (472, 45279), (516, 41418), (531, 40248), (559, 38232), (648, 32981), (702, 30444), (708, 30186), (767, 27864), (774, 27612), (936, 22833), (1032, 20709), (1053, 20296), (1062, 20124), (1118, 19116), (1161, 18408), (1404, 15222), (1416, 15093), (1534, 13932), (1548, 13806), (1593, 13416), (1677, 12744), (2106, 10148), (2124, 10062), (2236, 9558), (2301, 9288), (2322, 9204), (2537, 8424), (2808, 7611), (3068, 6966), (3096, 6903), (3186, 6708), (3354, 6372), (3483, 6136), (4212, 5074), (4248, 5031), (4472, 4779), (4602, 4644)]