21222916

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3373}}^1$

素因数の和:3412

約数の個数: 36

約数和(自身を含む): 43976716

約数和(自身を除く): 22753800

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3146, 3373, 6292, 6746, 13492, 37103, 43849, 74206, 87698, 148412, 175396, 408133, 482339, 816266, 964678, 1632532, 1929356, 5305729, 10611458, 21222916]

約数ペア:

[(1, 21222916), (2, 10611458), (4, 5305729), (11, 1929356), (13, 1632532), (22, 964678), (26, 816266), (44, 482339), (52, 408133), (121, 175396), (143, 148412), (242, 87698), (286, 74206), (484, 43849), (572, 37103), (1573, 13492), (3146, 6746), (3373, 6292)]