21709941

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{5437}}^1$

素因数の和:5473

約数の個数: 16

約数和(自身を含む): 31844928

約数和(自身を除く): 10134987

約数列:

[1, 3, 11, 33, 121, 363, 1331, 3993, 5437, 16311, 59807, 179421, 657877, 1973631, 7236647, 21709941]

約数ペア:

[(1, 21709941), (3, 7236647), (11, 1973631), (33, 657877), (121, 179421), (363, 59807), (1331, 16311), (3993, 5437)]