21867947517

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13039921}}^1$

素因数の和:13039980

約数の個数: 16

約数和(自身を含む): 32130367808

約数和(自身を除く): 10262420291

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 13039921, 39119763, 169518973, 508556919, 560716603, 1682149809, 7289315839, 21867947517]

約数ペア:

[(1, 21867947517), (3, 7289315839), (13, 1682149809), (39, 560716603), (43, 508556919), (129, 169518973), (559, 39119763), (1677, 13039921)]