21401277

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1223}}^1$

素因数の和:1552

約数の個数: 16

約数和(自身を含む): 30159360

約数和(自身を除く): 8758083

約数列:

[1, 3, 19, 57, 307, 921, 1223, 3669, 5833, 17499, 23237, 69711, 375461, 1126383, 7133759, 21401277]

約数ペア:

[(1, 21401277), (3, 7133759), (19, 1126383), (57, 375461), (307, 69711), (921, 23237), (1223, 17499), (3669, 5833)]