21850760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28751}}^1$

素因数の和:28781

約数の個数: 32

約数和(自身を含む): 51753600

約数和(自身を除く): 29902840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 28751, 57502, 115004, 143755, 230008, 287510, 546269, 575020, 1092538, 1150040, 2185076, 2731345, 4370152, 5462690, 10925380, 21850760]

約数ペア:

[(1, 21850760), (2, 10925380), (4, 5462690), (5, 4370152), (8, 2731345), (10, 2185076), (19, 1150040), (20, 1092538), (38, 575020), (40, 546269), (76, 287510), (95, 230008), (152, 143755), (190, 115004), (380, 57502), (760, 28751)]