21767103

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 34291200

約数和(自身を除く): 12524097

約数列:

[1, 3, 9, 19, 27, 57, 151, 171, 281, 453, 513, 843, 1359, 2529, 2869, 4077, 5339, 7587, 8607, 16017, 25821, 42431, 48051, 77463, 127293, 144153, 381879, 806189, 1145637, 2418567, 7255701, 21767103]

約数ペア:

[(1, 21767103), (3, 7255701), (9, 2418567), (19, 1145637), (27, 806189), (57, 381879), (151, 144153), (171, 127293), (281, 77463), (453, 48051), (513, 42431), (843, 25821), (1359, 16017), (2529, 8607), (2869, 7587), (4077, 5339)]