21210816

素因数分解:

$2^6\times 3^1\times {\mathrm{11}}^3\times {\mathrm{83}}^1$

素因数の和:131

約数の個数: 112

約数和(自身を含む): 62471808

約数和(自身を除く): 41260992

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 83, 88, 96, 121, 132, 166, 176, 192, 242, 249, 264, 332, 352, 363, 484, 498, 528, 664, 704, 726, 913, 968, 996, 1056, 1328, 1331, 1452, 1826, 1936, 1992, 2112, 2656, 2662, 2739, 2904, 3652, 3872, 3984, 3993, 5312, 5324, 5478, 5808, 7304, 7744, 7968, 7986, 10043, 10648, 10956, 11616, 14608, 15936, 15972, 20086, 21296, 21912, 23232, 29216, 30129, 31944, 40172, 42592, 43824, 58432, 60258, 63888, 80344, 85184, 87648, 110473, 120516, 127776, 160688, 175296, 220946, 241032, 255552, 321376, 331419, 441892, 482064, 642752, 662838, 883784, 964128, 1325676, 1767568, 1928256, 2651352, 3535136, 5302704, 7070272, 10605408, 21210816]

約数ペア:

[(1, 21210816), (2, 10605408), (3, 7070272), (4, 5302704), (6, 3535136), (8, 2651352), (11, 1928256), (12, 1767568), (16, 1325676), (22, 964128), (24, 883784), (32, 662838), (33, 642752), (44, 482064), (48, 441892), (64, 331419), (66, 321376), (83, 255552), (88, 241032), (96, 220946), (121, 175296), (132, 160688), (166, 127776), (176, 120516), (192, 110473), (242, 87648), (249, 85184), (264, 80344), (332, 63888), (352, 60258), (363, 58432), (484, 43824), (498, 42592), (528, 40172), (664, 31944), (704, 30129), (726, 29216), (913, 23232), (968, 21912), (996, 21296), (1056, 20086), (1328, 15972), (1331, 15936), (1452, 14608), (1826, 11616), (1936, 10956), (1992, 10648), (2112, 10043), (2656, 7986), (2662, 7968), (2739, 7744), (2904, 7304), (3652, 5808), (3872, 5478), (3984, 5324), (3993, 5312)]