21024291

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9587}}^1$

素因数の和:9650

約数の個数: 16

約数和(自身を含む): 30374784

約数和(自身を除く): 9350493

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9587, 28761, 162979, 412241, 488937, 1236723, 7008097, 21024291]

約数ペア:

[(1, 21024291), (3, 7008097), (17, 1236723), (43, 488937), (51, 412241), (129, 162979), (731, 28761), (2193, 9587)]