21104118

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1801}}^1$

素因数の和:1850

約数の個数: 64

約数和(自身を含む): 55357440

約数和(自身を除く): 34253322

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 93, 126, 186, 189, 217, 279, 378, 434, 558, 651, 837, 1302, 1674, 1801, 1953, 3602, 3906, 5403, 5859, 10806, 11718, 12607, 16209, 25214, 32418, 37821, 48627, 55831, 75642, 97254, 111662, 113463, 167493, 226926, 334986, 340389, 390817, 502479, 680778, 781634, 1004958, 1172451, 1507437, 2344902, 3014874, 3517353, 7034706, 10552059, 21104118]

約数ペア:

[(1, 21104118), (2, 10552059), (3, 7034706), (6, 3517353), (7, 3014874), (9, 2344902), (14, 1507437), (18, 1172451), (21, 1004958), (27, 781634), (31, 680778), (42, 502479), (54, 390817), (62, 340389), (63, 334986), (93, 226926), (126, 167493), (186, 113463), (189, 111662), (217, 97254), (279, 75642), (378, 55831), (434, 48627), (558, 37821), (651, 32418), (837, 25214), (1302, 16209), (1674, 12607), (1801, 11718), (1953, 10806), (3602, 5859), (3906, 5403)]