21166377

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2399}}^1$

素因数の和:2592

約数の個数: 16

約数和(自身を含む): 30067200

約数和(自身を除く): 8900823

約数列:

[1, 3, 17, 51, 173, 519, 2399, 2941, 7197, 8823, 40783, 122349, 415027, 1245081, 7055459, 21166377]

約数ペア:

[(1, 21166377), (3, 7055459), (17, 1245081), (51, 415027), (173, 122349), (519, 40783), (2399, 8823), (2941, 7197)]