21297513

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5693}}^1$

素因数の和:5768

約数の個数: 16

約数和(自身を含む): 30064320

約数和(自身を除く): 8766807

約数列:

[1, 3, 29, 43, 87, 129, 1247, 3741, 5693, 17079, 165097, 244799, 495291, 734397, 7099171, 21297513]

約数ペア:

[(1, 21297513), (3, 7099171), (29, 734397), (43, 495291), (87, 244799), (129, 165097), (1247, 17079), (3741, 5693)]