21858453

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1601}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 33238296

約数和(自身を除く): 11379843

約数列:

[1, 3, 9, 37, 41, 111, 123, 333, 369, 1517, 1601, 4551, 4803, 13653, 14409, 59237, 65641, 177711, 196923, 533133, 590769, 2428717, 7286151, 21858453]

約数ペア:

[(1, 21858453), (3, 7286151), (9, 2428717), (37, 590769), (41, 533133), (111, 196923), (123, 177711), (333, 65641), (369, 59237), (1517, 14409), (1601, 13653), (4551, 4803)]