21000836283

素因数分解:

$3^1\times 7^1\times {\mathrm{4523}}^1\times {\mathrm{221101}}^1$

素因数の和:225634

約数の個数: 16

約数和(自身を含む): 32008494336

約数和(自身を除く): 11007658053

約数列:

[1, 3, 7, 21, 4523, 13569, 31661, 94983, 221101, 663303, 1547707, 4643121, 1000039823, 3000119469, 7000278761, 21000836283]

約数ペア:

[(1, 21000836283), (3, 7000278761), (7, 3000119469), (21, 1000039823), (4523, 4643121), (13569, 1547707), (31661, 663303), (94983, 221101)]