21292353

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1487}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 32343168

約数和(自身を除く): 11050815

約数列:

[1, 3, 9, 37, 43, 111, 129, 333, 387, 1487, 1591, 4461, 4773, 13383, 14319, 55019, 63941, 165057, 191823, 495171, 575469, 2365817, 7097451, 21292353]

約数ペア:

[(1, 21292353), (3, 7097451), (9, 2365817), (37, 575469), (43, 495171), (111, 191823), (129, 165057), (333, 63941), (387, 55019), (1487, 14319), (1591, 13383), (4461, 4773)]