21740997

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1637}}^1$

素因数の和:1892

約数の個数: 16

約数和(自身を含む): 30663360

約数和(自身を除く): 8922363

約数列:

[1, 3, 19, 57, 233, 699, 1637, 4427, 4911, 13281, 31103, 93309, 381421, 1144263, 7246999, 21740997]

約数ペア:

[(1, 21740997), (3, 7246999), (19, 1144263), (57, 381421), (233, 93309), (699, 31103), (1637, 13281), (4427, 4911)]