21041189

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5011}}^1$

素因数の和:5060

約数の個数: 16

約数和(自身を含む): 25260480

約数和(自身を除く): 4219291

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 5011, 65143, 85187, 95209, 1107431, 1237717, 1618553, 21041189]

約数ペア:

[(1, 21041189), (13, 1618553), (17, 1237717), (19, 1107431), (221, 95209), (247, 85187), (323, 65143), (4199, 5011)]