21034448449

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{638123}}^1$

素因数の和:638424

約数の個数: 16

約数和(自身を含む): 25545379968

約数和(自身を除く): 4510931519

約数列:

[1, 7, 17, 119, 277, 1939, 4709, 32963, 638123, 4466861, 10848091, 75936637, 176760071, 1237320497, 3004921207, 21034448449]

約数ペア:

[(1, 21034448449), (7, 3004921207), (17, 1237320497), (119, 176760071), (277, 75936637), (1939, 10848091), (4709, 4466861), (32963, 638123)]