21938763

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1301}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 36997632

約数和(自身を除く): 15058869

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 219, 231, 511, 803, 1301, 1533, 2409, 3903, 5621, 9107, 14311, 16863, 27321, 42933, 94973, 100177, 284919, 300531, 664811, 1044703, 1994433, 3134109, 7312921, 21938763]

約数ペア:

[(1, 21938763), (3, 7312921), (7, 3134109), (11, 1994433), (21, 1044703), (33, 664811), (73, 300531), (77, 284919), (219, 100177), (231, 94973), (511, 42933), (803, 27321), (1301, 16863), (1533, 14311), (2409, 9107), (3903, 5621)]