21024971

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3877}}^1$

素因数の和:3934

約数の個数: 16

約数和(自身を含む): 25129440

約数和(自身を除く): 4104469

約数列:

[1, 11, 17, 29, 187, 319, 493, 3877, 5423, 42647, 65909, 112433, 724999, 1236763, 1911361, 21024971]

約数ペア:

[(1, 21024971), (11, 1911361), (17, 1236763), (29, 724999), (187, 112433), (319, 65909), (493, 42647), (3877, 5423)]