21000455489

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1427}}^1\times {\mathrm{59581}}^1$

素因数の和:61040

約数の個数: 16

約数和(自身を含む): 23823266880

約数和(自身を除く): 2822811391

約数列:

[1, 13, 19, 247, 1427, 18551, 27113, 59581, 352469, 774553, 1132039, 14716507, 85022087, 1105287131, 1615419653, 21000455489]

約数ペア:

[(1, 21000455489), (13, 1615419653), (19, 1105287131), (247, 85022087), (1427, 14716507), (18551, 1132039), (27113, 774553), (59581, 352469)]