21687768

素因数分解:

$2^3\times 3^2\times {\mathrm{301219}}^1$

素因数の和:301231

約数の個数: 24

約数和(自身を含む): 58737900

約数和(自身を除く): 37050132

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 301219, 602438, 903657, 1204876, 1807314, 2409752, 2710971, 3614628, 5421942, 7229256, 10843884, 21687768]

約数ペア:

[(1, 21687768), (2, 10843884), (3, 7229256), (4, 5421942), (6, 3614628), (8, 2710971), (9, 2409752), (12, 1807314), (18, 1204876), (24, 903657), (36, 602438), (72, 301219)]