21533904

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{7121}}^1$

素因数の和:7145

約数の個数: 80

約数和(自身を含む): 70650240

約数和(自身を除く): 49116336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 7121, 14242, 21363, 28484, 42726, 49847, 56968, 64089, 85452, 99694, 113936, 128178, 149541, 170904, 192267, 199388, 256356, 299082, 341808, 384534, 398776, 448623, 512712, 598164, 769068, 797552, 897246, 1025424, 1196328, 1345869, 1538136, 1794492, 2392656, 2691738, 3076272, 3588984, 5383476, 7177968, 10766952, 21533904]

約数ペア:

[(1, 21533904), (2, 10766952), (3, 7177968), (4, 5383476), (6, 3588984), (7, 3076272), (8, 2691738), (9, 2392656), (12, 1794492), (14, 1538136), (16, 1345869), (18, 1196328), (21, 1025424), (24, 897246), (27, 797552), (28, 769068), (36, 598164), (42, 512712), (48, 448623), (54, 398776), (56, 384534), (63, 341808), (72, 299082), (84, 256356), (108, 199388), (112, 192267), (126, 170904), (144, 149541), (168, 128178), (189, 113936), (216, 99694), (252, 85452), (336, 64089), (378, 56968), (432, 49847), (504, 42726), (756, 28484), (1008, 21363), (1512, 14242), (3024, 7121)]