21670899

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{2473}}^1$

素因数の和:2626

約数の個数: 16

約数和(自身を含む): 30400512

約数和(自身を除く): 8729613

約数列:

[1, 3, 23, 69, 127, 381, 2473, 2921, 7419, 8763, 56879, 170637, 314071, 942213, 7223633, 21670899]

約数ペア:

[(1, 21670899), (3, 7223633), (23, 942213), (69, 314071), (127, 170637), (381, 56879), (2473, 8763), (2921, 7419)]