21223304

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{139627}}^1$

素因数の和:139652

約数の個数: 16

約数和(自身を含む): 41888400

約数和(自身を除く): 20665096

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 139627, 279254, 558508, 1117016, 2652913, 5305826, 10611652, 21223304]

約数ペア:

[(1, 21223304), (2, 10611652), (4, 5305826), (8, 2652913), (19, 1117016), (38, 558508), (76, 279254), (152, 139627)]