21557343

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{22247}}^1$

素因数の和:22286

約数の個数: 16

約数和(自身を含む): 32037120

約数和(自身を除く): 10479777

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 22247, 66741, 378199, 422693, 1134597, 1268079, 7185781, 21557343]

約数ペア:

[(1, 21557343), (3, 7185781), (17, 1268079), (19, 1134597), (51, 422693), (57, 378199), (323, 66741), (969, 22247)]