21167375648

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{823}}^1\times {\mathrm{47279}}^1$

素因数の和:48129

約数の個数: 48

約数和(自身を含む): 44179188480

約数和(自身を除く): 23011812832

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 823, 1646, 3292, 6584, 13168, 13991, 26336, 27982, 47279, 55964, 94558, 111928, 189116, 223856, 378232, 447712, 756464, 803743, 1512928, 1607486, 3214972, 6429944, 12859888, 25719776, 38910617, 77821234, 155642468, 311284936, 622569872, 661480489, 1245139744, 1322960978, 2645921956, 5291843912, 10583687824, 21167375648]

約数ペア:

[(1, 21167375648), (2, 10583687824), (4, 5291843912), (8, 2645921956), (16, 1322960978), (17, 1245139744), (32, 661480489), (34, 622569872), (68, 311284936), (136, 155642468), (272, 77821234), (544, 38910617), (823, 25719776), (1646, 12859888), (3292, 6429944), (6584, 3214972), (13168, 1607486), (13991, 1512928), (26336, 803743), (27982, 756464), (47279, 447712), (55964, 378232), (94558, 223856), (111928, 189116)]