21000886414071

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{536380007}}^1$

素因数の和:536380462

約数の個数: 16

約数和(自身を含む): 28973102512128

約数和(自身を除く): 7972216098057

約数列:

[1, 3, 31, 93, 421, 1263, 13051, 39153, 536380007, 1609140021, 16627780217, 49883340651, 225815982947, 677447948841, 7000295471357, 21000886414071]

約数ペア:

[(1, 21000886414071), (3, 7000295471357), (31, 677447948841), (93, 225815982947), (421, 49883340651), (1263, 16627780217), (13051, 1609140021), (39153, 536380007)]