21208758

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{617}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 45118944

約数和(自身を除く): 23910186

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 337, 617, 674, 1011, 1234, 1851, 2022, 3702, 5729, 10489, 11458, 17187, 20978, 31467, 34374, 62934, 207929, 415858, 623787, 1247574, 3534793, 7069586, 10604379, 21208758]

約数ペア:

[(1, 21208758), (2, 10604379), (3, 7069586), (6, 3534793), (17, 1247574), (34, 623787), (51, 415858), (102, 207929), (337, 62934), (617, 34374), (674, 31467), (1011, 20978), (1234, 17187), (1851, 11458), (2022, 10489), (3702, 5729)]