21706949

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{367}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 25082880

約数和(自身を除く): 3375931

約数列:

[1, 11, 19, 209, 283, 367, 3113, 4037, 5377, 6973, 59147, 76703, 103861, 1142471, 1973359, 21706949]

約数ペア:

[(1, 21706949), (11, 1973359), (19, 1142471), (209, 103861), (283, 76703), (367, 59147), (3113, 6973), (4037, 5377)]