21886119

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{14221}}^1$

素因数の和:14252

約数の個数: 20

約数和(自身を含む): 34417240

約数和(自身を除く): 12531121

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 14221, 42663, 127989, 270199, 383967, 810597, 1151901, 2431791, 7295373, 21886119]

約数ペア:

[(1, 21886119), (3, 7295373), (9, 2431791), (19, 1151901), (27, 810597), (57, 383967), (81, 270199), (171, 127989), (513, 42663), (1539, 14221)]