21955754

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{25121}}^1$

素因数の和:25165

約数の個数: 16

約数和(自身を含む): 36175680

約数和(自身を除く): 14219926

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 25121, 50242, 477299, 577783, 954598, 1155566, 10977877, 21955754]

約数ペア:

[(1, 21955754), (2, 10977877), (19, 1155566), (23, 954598), (38, 577783), (46, 477299), (437, 50242), (874, 25121)]