21125712

素因数分解:

$2^4\times 3^1\times {\mathrm{103}}^1\times {\mathrm{4273}}^1$

素因数の和:4387

約数の個数: 40

約数和(自身を含む): 55117504

約数和(自身を除く): 33991792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 103, 206, 309, 412, 618, 824, 1236, 1648, 2472, 4273, 4944, 8546, 12819, 17092, 25638, 34184, 51276, 68368, 102552, 205104, 440119, 880238, 1320357, 1760476, 2640714, 3520952, 5281428, 7041904, 10562856, 21125712]

約数ペア:

[(1, 21125712), (2, 10562856), (3, 7041904), (4, 5281428), (6, 3520952), (8, 2640714), (12, 1760476), (16, 1320357), (24, 880238), (48, 440119), (103, 205104), (206, 102552), (309, 68368), (412, 51276), (618, 34184), (824, 25638), (1236, 17092), (1648, 12819), (2472, 8546), (4273, 4944)]