21912575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1097}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 29408832

約数和(自身を除く): 7496257

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 1097, 1175, 3995, 5485, 18649, 19975, 27425, 51559, 93245, 257795, 466225, 876503, 1288975, 4382515, 21912575]

約数ペア:

[(1, 21912575), (5, 4382515), (17, 1288975), (25, 876503), (47, 466225), (85, 257795), (235, 93245), (425, 51559), (799, 27425), (1097, 19975), (1175, 18649), (3995, 5485)]