21800559

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{11197}}^1$

素因数の和:11270

約数の個数: 16

約数和(自身を含む): 32250240

約数和(自身を除く): 10449681

約数列:

[1, 3, 11, 33, 59, 177, 649, 1947, 11197, 33591, 123167, 369501, 660623, 1981869, 7266853, 21800559]

約数ペア:

[(1, 21800559), (3, 7266853), (11, 1981869), (33, 660623), (59, 369501), (177, 123167), (649, 33591), (1947, 11197)]