21752313

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{12437}}^1$

素因数の和:12504

約数の個数: 16

約数和(自身を含む): 32239296

約数和(自身を除く): 10486983

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 12437, 37311, 136807, 410421, 659161, 1977483, 7250771, 21752313]

約数ペア:

[(1, 21752313), (3, 7250771), (11, 1977483), (33, 659161), (53, 410421), (159, 136807), (583, 37311), (1749, 12437)]