20210967

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6053}}^1$

素因数の和:6119

約数の個数: 24

約数和(自身を含む): 33999264

約数和(自身を除く): 13788297

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 6053, 18159, 42371, 54477, 127113, 320809, 381339, 962427, 2245663, 2887281, 6736989, 20210967]

約数ペア:

[(1, 20210967), (3, 6736989), (7, 2887281), (9, 2245663), (21, 962427), (53, 381339), (63, 320809), (159, 127113), (371, 54477), (477, 42371), (1113, 18159), (3339, 6053)]