21884979

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8929}}^1$

素因数の和:8994

約数の個数: 16

約数和(自身を含む): 31433600

約数和(自身を除く): 9548621

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8929, 26787, 169651, 383947, 508953, 1151841, 7294993, 21884979]

約数ペア:

[(1, 21884979), (3, 7294993), (19, 1151841), (43, 508953), (57, 383947), (129, 169651), (817, 26787), (2451, 8929)]