21568689

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 32011200

約数和(自身を除く): 10442511

約数列:

[1, 3, 9, 59, 151, 177, 269, 453, 531, 807, 1359, 2421, 8909, 15871, 26727, 40619, 47613, 80181, 121857, 142839, 365571, 2396521, 7189563, 21568689]

約数ペア:

[(1, 21568689), (3, 7189563), (9, 2396521), (59, 365571), (151, 142839), (177, 121857), (269, 80181), (453, 47613), (531, 40619), (807, 26727), (1359, 15871), (2421, 8909)]