21000947977

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7159}}^1\times {\mathrm{4013}}^1$

素因数の和:11232

約数の個数: 16

約数和(自身を含む): 22762270080

約数和(自身を除く): 1761322103

約数列:

[1, 17, 43, 731, 4013, 7159, 68221, 121703, 172559, 307837, 2933503, 5233229, 28729067, 488394139, 1235349881, 21000947977]

約数ペア:

[(1, 21000947977), (17, 1235349881), (43, 488394139), (731, 28729067), (4013, 5233229), (7159, 2933503), (68221, 307837), (121703, 172559)]