21484725

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15077}}^1$

素因数の和:15109

約数の個数: 24

約数和(自身を含む): 37393440

約数和(自身を除く): 15908715

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 15077, 45231, 75385, 226155, 286463, 376925, 859389, 1130775, 1432315, 4296945, 7161575, 21484725]

約数ペア:

[(1, 21484725), (3, 7161575), (5, 4296945), (15, 1432315), (19, 1130775), (25, 859389), (57, 376925), (75, 286463), (95, 226155), (285, 75385), (475, 45231), (1425, 15077)]