21757413

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{911}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 30643200

約数和(自身を除く): 8885787

約数列:

[1, 3, 19, 57, 419, 911, 1257, 2733, 7961, 17309, 23883, 51927, 381709, 1145127, 7252471, 21757413]

約数ペア:

[(1, 21757413), (3, 7252471), (19, 1145127), (57, 381709), (419, 51927), (911, 23883), (1257, 17309), (2733, 7961)]