21952144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{72211}}^1$

素因数の和:72238

約数の個数: 20

約数和(自身を含む): 44771440

約数和(自身を除く): 22819296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 72211, 144422, 288844, 577688, 1155376, 1372009, 2744018, 5488036, 10976072, 21952144]

約数ペア:

[(1, 21952144), (2, 10976072), (4, 5488036), (8, 2744018), (16, 1372009), (19, 1155376), (38, 577688), (76, 288844), (152, 144422), (304, 72211)]