21538272

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{32051}}^1$

素因数の和:32071

約数の個数: 48

約数和(自身を含む): 64616832

約数和(自身を除く): 43078560

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 32051, 64102, 96153, 128204, 192306, 224357, 256408, 384612, 448714, 512816, 673071, 769224, 897428, 1025632, 1346142, 1538448, 1794856, 2692284, 3076896, 3589712, 5384568, 7179424, 10769136, 21538272]

約数ペア:

[(1, 21538272), (2, 10769136), (3, 7179424), (4, 5384568), (6, 3589712), (7, 3076896), (8, 2692284), (12, 1794856), (14, 1538448), (16, 1346142), (21, 1025632), (24, 897428), (28, 769224), (32, 673071), (42, 512816), (48, 448714), (56, 384612), (84, 256408), (96, 224357), (112, 192306), (168, 128204), (224, 96153), (336, 64102), (672, 32051)]