21103605125

素因数分解:

$5^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{50593}}^1$

素因数の和:50726

約数の個数: 32

約数和(自身を含む): 27277046784

約数和(自身を除く): 6173441659

約数列:

[1, 5, 25, 47, 71, 125, 235, 355, 1175, 1775, 3337, 5875, 8875, 16685, 50593, 83425, 252965, 417125, 1264825, 2377871, 3592103, 6324125, 11889355, 17960515, 59446775, 89802575, 168828841, 297233875, 449012875, 844144205, 4220721025, 21103605125]

約数ペア:

[(1, 21103605125), (5, 4220721025), (25, 844144205), (47, 449012875), (71, 297233875), (125, 168828841), (235, 89802575), (355, 59446775), (1175, 17960515), (1775, 11889355), (3337, 6324125), (5875, 3592103), (8875, 2377871), (16685, 1264825), (50593, 417125), (83425, 252965)]