21539583

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3917}}^1$

素因数の和:3983

約数の個数: 24

約数和(自身を含む): 34227648

約数和(自身を除く): 12688065

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 3917, 5499, 11751, 35253, 50921, 152763, 184099, 458289, 552297, 1656891, 2393287, 7179861, 21539583]

約数ペア:

[(1, 21539583), (3, 7179861), (9, 2393287), (13, 1656891), (39, 552297), (47, 458289), (117, 184099), (141, 152763), (423, 50921), (611, 35253), (1833, 11751), (3917, 5499)]