21360672

素因数分解:

$2^5\times 3^5\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 65493792

約数和(自身を除く): 44133120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 41, 48, 54, 67, 72, 81, 82, 96, 108, 123, 134, 144, 162, 164, 201, 216, 243, 246, 268, 288, 324, 328, 369, 402, 432, 486, 492, 536, 603, 648, 656, 738, 804, 864, 972, 984, 1072, 1107, 1206, 1296, 1312, 1476, 1608, 1809, 1944, 1968, 2144, 2214, 2412, 2592, 2747, 2952, 3216, 3321, 3618, 3888, 3936, 4428, 4824, 5427, 5494, 5904, 6432, 6642, 7236, 7776, 8241, 8856, 9648, 9963, 10854, 10988, 11808, 13284, 14472, 16281, 16482, 17712, 19296, 19926, 21708, 21976, 24723, 26568, 28944, 32562, 32964, 35424, 39852, 43416, 43952, 49446, 53136, 57888, 65124, 65928, 74169, 79704, 86832, 87904, 98892, 106272, 130248, 131856, 148338, 159408, 173664, 197784, 222507, 260496, 263712, 296676, 318816, 395568, 445014, 520992, 593352, 667521, 791136, 890028, 1186704, 1335042, 1780056, 2373408, 2670084, 3560112, 5340168, 7120224, 10680336, 21360672]

約数ペア:

[(1, 21360672), (2, 10680336), (3, 7120224), (4, 5340168), (6, 3560112), (8, 2670084), (9, 2373408), (12, 1780056), (16, 1335042), (18, 1186704), (24, 890028), (27, 791136), (32, 667521), (36, 593352), (41, 520992), (48, 445014), (54, 395568), (67, 318816), (72, 296676), (81, 263712), (82, 260496), (96, 222507), (108, 197784), (123, 173664), (134, 159408), (144, 148338), (162, 131856), (164, 130248), (201, 106272), (216, 98892), (243, 87904), (246, 86832), (268, 79704), (288, 74169), (324, 65928), (328, 65124), (369, 57888), (402, 53136), (432, 49446), (486, 43952), (492, 43416), (536, 39852), (603, 35424), (648, 32964), (656, 32562), (738, 28944), (804, 26568), (864, 24723), (972, 21976), (984, 21708), (1072, 19926), (1107, 19296), (1206, 17712), (1296, 16482), (1312, 16281), (1476, 14472), (1608, 13284), (1809, 11808), (1944, 10988), (1968, 10854), (2144, 9963), (2214, 9648), (2412, 8856), (2592, 8241), (2747, 7776), (2952, 7236), (3216, 6642), (3321, 6432), (3618, 5904), (3888, 5494), (3936, 5427), (4428, 4824)]