21329149827

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1422797}}^1$

素因数の和:1423082

約数の個数: 16

約数和(自身を含む): 30049493760

約数和(自身を除く): 8720343933

約数列:

[1, 3, 19, 57, 263, 789, 4997, 14991, 1422797, 4268391, 27033143, 81099429, 374195611, 1122586833, 7109716609, 21329149827]

約数ペア:

[(1, 21329149827), (3, 7109716609), (19, 1122586833), (57, 374195611), (263, 81099429), (789, 27033143), (4997, 4268391), (14991, 1422797)]