21703994

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:594

約数の個数: 24

約数和(自身を含む): 35564220

約数和(自身を除く): 13860226

約数列:

[1, 2, 13, 26, 157, 169, 314, 338, 409, 818, 2041, 4082, 5317, 10634, 26533, 53066, 64213, 69121, 128426, 138242, 834769, 1669538, 10851997, 21703994]

約数ペア:

[(1, 21703994), (2, 10851997), (13, 1669538), (26, 834769), (157, 138242), (169, 128426), (314, 69121), (338, 64213), (409, 53066), (818, 26533), (2041, 10634), (4082, 5317)]