21165408

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:178

約数の個数: 192

約数和(自身を含む): 71850240

約数和(自身を除く): 50684832

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 27, 32, 33, 34, 36, 44, 48, 51, 54, 66, 68, 72, 88, 96, 99, 102, 108, 131, 132, 136, 144, 153, 176, 187, 198, 204, 216, 262, 264, 272, 288, 297, 306, 352, 374, 393, 396, 408, 432, 459, 524, 528, 544, 561, 594, 612, 748, 786, 792, 816, 864, 918, 1048, 1056, 1122, 1179, 1188, 1224, 1441, 1496, 1572, 1584, 1632, 1683, 1836, 2096, 2227, 2244, 2358, 2376, 2448, 2882, 2992, 3144, 3168, 3366, 3537, 3672, 4192, 4323, 4454, 4488, 4716, 4752, 4896, 5049, 5764, 5984, 6288, 6681, 6732, 7074, 7344, 8646, 8908, 8976, 9432, 9504, 10098, 11528, 12576, 12969, 13362, 13464, 14148, 14688, 17292, 17816, 17952, 18864, 20043, 20196, 23056, 24497, 25938, 26724, 26928, 28296, 34584, 35632, 37728, 38907, 40086, 40392, 46112, 48994, 51876, 53448, 53856, 56592, 60129, 69168, 71264, 73491, 77814, 80172, 80784, 97988, 103752, 106896, 113184, 120258, 138336, 146982, 155628, 160344, 161568, 195976, 207504, 213792, 220473, 240516, 293964, 311256, 320688, 391952, 415008, 440946, 481032, 587928, 622512, 641376, 661419, 783904, 881892, 962064, 1175856, 1245024, 1322838, 1763784, 1924128, 2351712, 2645676, 3527568, 5291352, 7055136, 10582704, 21165408]

約数ペア:

[(1, 21165408), (2, 10582704), (3, 7055136), (4, 5291352), (6, 3527568), (8, 2645676), (9, 2351712), (11, 1924128), (12, 1763784), (16, 1322838), (17, 1245024), (18, 1175856), (22, 962064), (24, 881892), (27, 783904), (32, 661419), (33, 641376), (34, 622512), (36, 587928), (44, 481032), (48, 440946), (51, 415008), (54, 391952), (66, 320688), (68, 311256), (72, 293964), (88, 240516), (96, 220473), (99, 213792), (102, 207504), (108, 195976), (131, 161568), (132, 160344), (136, 155628), (144, 146982), (153, 138336), (176, 120258), (187, 113184), (198, 106896), (204, 103752), (216, 97988), (262, 80784), (264, 80172), (272, 77814), (288, 73491), (297, 71264), (306, 69168), (352, 60129), (374, 56592), (393, 53856), (396, 53448), (408, 51876), (432, 48994), (459, 46112), (524, 40392), (528, 40086), (544, 38907), (561, 37728), (594, 35632), (612, 34584), (748, 28296), (786, 26928), (792, 26724), (816, 25938), (864, 24497), (918, 23056), (1048, 20196), (1056, 20043), (1122, 18864), (1179, 17952), (1188, 17816), (1224, 17292), (1441, 14688), (1496, 14148), (1572, 13464), (1584, 13362), (1632, 12969), (1683, 12576), (1836, 11528), (2096, 10098), (2227, 9504), (2244, 9432), (2358, 8976), (2376, 8908), (2448, 8646), (2882, 7344), (2992, 7074), (3144, 6732), (3168, 6681), (3366, 6288), (3537, 5984), (3672, 5764), (4192, 5049), (4323, 4896), (4454, 4752), (4488, 4716)]