21827918

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 16948402

約数列:

[1, 2, 7, 14, 43, 86, 101, 202, 301, 359, 602, 707, 718, 1414, 2513, 4343, 5026, 8686, 15437, 30401, 30874, 36259, 60802, 72518, 108059, 216118, 253813, 507626, 1559137, 3118274, 10913959, 21827918]

約数ペア:

[(1, 21827918), (2, 10913959), (7, 3118274), (14, 1559137), (43, 507626), (86, 253813), (101, 216118), (202, 108059), (301, 72518), (359, 60802), (602, 36259), (707, 30874), (718, 30401), (1414, 15437), (2513, 8686), (4343, 5026)]