21980343

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{95153}}^1$

素因数の和:95174

約数の個数: 16

約数和(自身を含む): 36539136

約数和(自身を除く): 14558793

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 95153, 285459, 666071, 1046683, 1998213, 3140049, 7326781, 21980343]

約数ペア:

[(1, 21980343), (3, 7326781), (7, 3140049), (11, 1998213), (21, 1046683), (33, 666071), (77, 285459), (231, 95153)]