21035808

素因数分解:

$2^5\times 3^3\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 62233920

約数和(自身を除く): 41198112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 97, 108, 144, 194, 216, 251, 288, 291, 388, 432, 502, 582, 753, 776, 864, 873, 1004, 1164, 1506, 1552, 1746, 2008, 2259, 2328, 2619, 3012, 3104, 3492, 4016, 4518, 4656, 5238, 6024, 6777, 6984, 8032, 9036, 9312, 10476, 12048, 13554, 13968, 18072, 20952, 24096, 24347, 27108, 27936, 36144, 41904, 48694, 54216, 72288, 73041, 83808, 97388, 108432, 146082, 194776, 216864, 219123, 292164, 389552, 438246, 584328, 657369, 779104, 876492, 1168656, 1314738, 1752984, 2337312, 2629476, 3505968, 5258952, 7011936, 10517904, 21035808]

約数ペア:

[(1, 21035808), (2, 10517904), (3, 7011936), (4, 5258952), (6, 3505968), (8, 2629476), (9, 2337312), (12, 1752984), (16, 1314738), (18, 1168656), (24, 876492), (27, 779104), (32, 657369), (36, 584328), (48, 438246), (54, 389552), (72, 292164), (96, 219123), (97, 216864), (108, 194776), (144, 146082), (194, 108432), (216, 97388), (251, 83808), (288, 73041), (291, 72288), (388, 54216), (432, 48694), (502, 41904), (582, 36144), (753, 27936), (776, 27108), (864, 24347), (873, 24096), (1004, 20952), (1164, 18072), (1506, 13968), (1552, 13554), (1746, 12048), (2008, 10476), (2259, 9312), (2328, 9036), (2619, 8032), (3012, 6984), (3104, 6777), (3492, 6024), (4016, 5238), (4518, 4656)]