21994325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1319}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 29462400

約数和(自身を除く): 7468075

約数列:

[1, 5, 23, 25, 29, 115, 145, 575, 667, 725, 1319, 3335, 6595, 16675, 30337, 32975, 38251, 151685, 191255, 758425, 879773, 956275, 4398865, 21994325]

約数ペア:

[(1, 21994325), (5, 4398865), (23, 956275), (25, 879773), (29, 758425), (115, 191255), (145, 151685), (575, 38251), (667, 32975), (725, 30337), (1319, 16675), (3335, 6595)]