21378477

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{709}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 31410400

約数和(自身を除く): 10031923

約数列:

[1, 3, 19, 23, 57, 69, 437, 529, 709, 1311, 1587, 2127, 10051, 13471, 16307, 30153, 40413, 48921, 309833, 375061, 929499, 1125183, 7126159, 21378477]

約数ペア:

[(1, 21378477), (3, 7126159), (19, 1125183), (23, 929499), (57, 375061), (69, 309833), (437, 48921), (529, 40413), (709, 30153), (1311, 16307), (1587, 13471), (2127, 10051)]