21277834

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{4409}}^1$

素因数の和:4557

約数の個数: 16

約数和(自身を含む): 33868800

約数和(自身を除く): 12590966

約数列:

[1, 2, 19, 38, 127, 254, 2413, 4409, 4826, 8818, 83771, 167542, 559943, 1119886, 10638917, 21277834]

約数ペア:

[(1, 21277834), (2, 10638917), (19, 1119886), (38, 559943), (127, 167542), (254, 83771), (2413, 8818), (4409, 4826)]