21793949

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:580

約数の個数: 16

約数和(自身を含む): 24312960

約数和(自身を除く): 2519011

約数列:

[1, 17, 23, 139, 391, 401, 2363, 3197, 6817, 9223, 54349, 55739, 156791, 947563, 1281997, 21793949]

約数ペア:

[(1, 21793949), (17, 1281997), (23, 947563), (139, 156791), (391, 55739), (401, 54349), (2363, 9223), (3197, 6817)]