21773295

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 39948480

約数和(自身を除く): 18175185

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 109, 115, 193, 207, 327, 345, 545, 579, 965, 981, 1035, 1635, 1737, 2507, 2895, 4439, 4905, 7521, 8685, 12535, 13317, 21037, 22195, 22563, 37605, 39951, 63111, 66585, 105185, 112815, 189333, 199755, 315555, 483851, 946665, 1451553, 2419255, 4354659, 7257765, 21773295]

約数ペア:

[(1, 21773295), (3, 7257765), (5, 4354659), (9, 2419255), (15, 1451553), (23, 946665), (45, 483851), (69, 315555), (109, 199755), (115, 189333), (193, 112815), (207, 105185), (327, 66585), (345, 63111), (545, 39951), (579, 37605), (965, 22563), (981, 22195), (1035, 21037), (1635, 13317), (1737, 12535), (2507, 8685), (2895, 7521), (4439, 4905)]