21749182

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1637}}^1$

素因数の和:1732

約数の個数: 32

約数和(自身を含む): 40727232

約数和(自身を除く): 18978050

約数列:

[1, 2, 7, 13, 14, 26, 73, 91, 146, 182, 511, 949, 1022, 1637, 1898, 3274, 6643, 11459, 13286, 21281, 22918, 42562, 119501, 148967, 239002, 297934, 836507, 1553513, 1673014, 3107026, 10874591, 21749182]

約数ペア:

[(1, 21749182), (2, 10874591), (7, 3107026), (13, 1673014), (14, 1553513), (26, 836507), (73, 297934), (91, 239002), (146, 148967), (182, 119501), (511, 42562), (949, 22918), (1022, 21281), (1637, 13286), (1898, 11459), (3274, 6643)]