21780453663

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{11361739}}^1$

素因数の和:11361819

約数の個数: 16

約数和(自身を含む): 32721811200

約数和(自身を除く): 10941357537

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 11361739, 34085217, 102255651, 306766953, 806683469, 2420050407, 7260151221, 21780453663]

約数ペア:

[(1, 21780453663), (3, 7260151221), (9, 2420050407), (27, 806683469), (71, 306766953), (213, 102255651), (639, 34085217), (1917, 11361739)]