21723099

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1709}}^1$

素因数の和:1954

約数の個数: 16

約数和(自身を含む): 30643200

約数和(自身を除く): 8920101

約数列:

[1, 3, 19, 57, 223, 669, 1709, 4237, 5127, 12711, 32471, 97413, 381107, 1143321, 7241033, 21723099]

約数ペア:

[(1, 21723099), (3, 7241033), (19, 1143321), (57, 381107), (223, 97413), (669, 32471), (1709, 12711), (4237, 5127)]