21227883

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1153}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 31656528

約数和(自身を除く): 10428645

約数列:

[1, 3, 17, 19, 51, 57, 323, 361, 969, 1083, 1153, 3459, 6137, 18411, 19601, 21907, 58803, 65721, 372419, 416233, 1117257, 1248699, 7075961, 21227883]

約数ペア:

[(1, 21227883), (3, 7075961), (17, 1248699), (19, 1117257), (51, 416233), (57, 372419), (323, 65721), (361, 58803), (969, 21907), (1083, 19601), (1153, 18411), (3459, 6137)]