21385848

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1373}}^1$

素因数の和:1452

約数の個数: 64

約数和(自身を含む): 59356800

約数和(自身を除く): 37970952

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 59, 66, 88, 118, 132, 177, 236, 264, 354, 472, 649, 708, 1298, 1373, 1416, 1947, 2596, 2746, 3894, 4119, 5192, 5492, 7788, 8238, 10984, 15103, 15576, 16476, 30206, 32952, 45309, 60412, 81007, 90618, 120824, 162014, 181236, 243021, 324028, 362472, 486042, 648056, 891077, 972084, 1782154, 1944168, 2673231, 3564308, 5346462, 7128616, 10692924, 21385848]

約数ペア:

[(1, 21385848), (2, 10692924), (3, 7128616), (4, 5346462), (6, 3564308), (8, 2673231), (11, 1944168), (12, 1782154), (22, 972084), (24, 891077), (33, 648056), (44, 486042), (59, 362472), (66, 324028), (88, 243021), (118, 181236), (132, 162014), (177, 120824), (236, 90618), (264, 81007), (354, 60412), (472, 45309), (649, 32952), (708, 30206), (1298, 16476), (1373, 15576), (1416, 15103), (1947, 10984), (2596, 8238), (2746, 7788), (3894, 5492), (4119, 5192)]