21838752

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:355

約数の個数: 144

約数和(自身を含む): 70630560

約数和(自身を除く): 48791808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 72, 76, 78, 96, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 288, 304, 307, 312, 342, 416, 456, 468, 494, 608, 614, 624, 684, 741, 912, 921, 936, 988, 1228, 1248, 1368, 1482, 1824, 1842, 1872, 1976, 2223, 2456, 2736, 2763, 2964, 3684, 3744, 3952, 3991, 4446, 4912, 5472, 5526, 5833, 5928, 7368, 7904, 7982, 8892, 9824, 11052, 11666, 11856, 11973, 14736, 15964, 17499, 17784, 22104, 23332, 23712, 23946, 29472, 31928, 34998, 35568, 35919, 44208, 46664, 47892, 52497, 63856, 69996, 71136, 71838, 75829, 88416, 93328, 95784, 104994, 127712, 139992, 143676, 151658, 186656, 191568, 209988, 227487, 279984, 287352, 303316, 383136, 419976, 454974, 559968, 574704, 606632, 682461, 839952, 909948, 1149408, 1213264, 1364922, 1679904, 1819896, 2426528, 2729844, 3639792, 5459688, 7279584, 10919376, 21838752]

約数ペア:

[(1, 21838752), (2, 10919376), (3, 7279584), (4, 5459688), (6, 3639792), (8, 2729844), (9, 2426528), (12, 1819896), (13, 1679904), (16, 1364922), (18, 1213264), (19, 1149408), (24, 909948), (26, 839952), (32, 682461), (36, 606632), (38, 574704), (39, 559968), (48, 454974), (52, 419976), (57, 383136), (72, 303316), (76, 287352), (78, 279984), (96, 227487), (104, 209988), (114, 191568), (117, 186656), (144, 151658), (152, 143676), (156, 139992), (171, 127712), (208, 104994), (228, 95784), (234, 93328), (247, 88416), (288, 75829), (304, 71838), (307, 71136), (312, 69996), (342, 63856), (416, 52497), (456, 47892), (468, 46664), (494, 44208), (608, 35919), (614, 35568), (624, 34998), (684, 31928), (741, 29472), (912, 23946), (921, 23712), (936, 23332), (988, 22104), (1228, 17784), (1248, 17499), (1368, 15964), (1482, 14736), (1824, 11973), (1842, 11856), (1872, 11666), (1976, 11052), (2223, 9824), (2456, 8892), (2736, 7982), (2763, 7904), (2964, 7368), (3684, 5928), (3744, 5833), (3952, 5526), (3991, 5472), (4446, 4912)]