21549192

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 66739200

約数和(自身を除く): 45190008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 43, 56, 57, 76, 84, 86, 114, 129, 133, 152, 157, 168, 172, 228, 258, 266, 301, 314, 344, 399, 456, 471, 516, 532, 602, 628, 798, 817, 903, 942, 1032, 1064, 1099, 1204, 1256, 1596, 1634, 1806, 1884, 2198, 2408, 2451, 2983, 3192, 3268, 3297, 3612, 3768, 4396, 4902, 5719, 5966, 6536, 6594, 6751, 7224, 8792, 8949, 9804, 11438, 11932, 13188, 13502, 17157, 17898, 19608, 20253, 20881, 22876, 23864, 26376, 27004, 34314, 35796, 40506, 41762, 45752, 47257, 54008, 62643, 68628, 71592, 81012, 83524, 94514, 125286, 128269, 137256, 141771, 162024, 167048, 189028, 250572, 256538, 283542, 378056, 384807, 501144, 513076, 567084, 769614, 897883, 1026152, 1134168, 1539228, 1795766, 2693649, 3078456, 3591532, 5387298, 7183064, 10774596, 21549192]

約数ペア:

[(1, 21549192), (2, 10774596), (3, 7183064), (4, 5387298), (6, 3591532), (7, 3078456), (8, 2693649), (12, 1795766), (14, 1539228), (19, 1134168), (21, 1026152), (24, 897883), (28, 769614), (38, 567084), (42, 513076), (43, 501144), (56, 384807), (57, 378056), (76, 283542), (84, 256538), (86, 250572), (114, 189028), (129, 167048), (133, 162024), (152, 141771), (157, 137256), (168, 128269), (172, 125286), (228, 94514), (258, 83524), (266, 81012), (301, 71592), (314, 68628), (344, 62643), (399, 54008), (456, 47257), (471, 45752), (516, 41762), (532, 40506), (602, 35796), (628, 34314), (798, 27004), (817, 26376), (903, 23864), (942, 22876), (1032, 20881), (1064, 20253), (1099, 19608), (1204, 17898), (1256, 17157), (1596, 13502), (1634, 13188), (1806, 11932), (1884, 11438), (2198, 9804), (2408, 8949), (2451, 8792), (2983, 7224), (3192, 6751), (3268, 6594), (3297, 6536), (3612, 5966), (3768, 5719), (4396, 4902)]