21295683

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{21317}}^1$

素因数の和:21363

約数の個数: 16

約数和(自身を含む): 32403360

約数和(自身を除く): 11107677

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 21317, 63951, 191853, 575559, 788729, 2366187, 7098561, 21295683]

約数ペア:

[(1, 21295683), (3, 7098561), (9, 2366187), (27, 788729), (37, 575559), (111, 191853), (333, 63951), (999, 21317)]