21476213

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 24829440

約数和(自身を除く): 3353227

約数列:

[1, 11, 19, 209, 211, 487, 2321, 4009, 5357, 9253, 44099, 101783, 102757, 1130327, 1952383, 21476213]

約数ペア:

[(1, 21476213), (11, 1952383), (19, 1130327), (209, 102757), (211, 101783), (487, 44099), (2321, 9253), (4009, 5357)]