21903333

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1931}}^1$

素因数の和:2152

約数の個数: 16

約数和(自身を含む): 30912000

約数和(自身を除く): 9008667

約数列:

[1, 3, 19, 57, 199, 597, 1931, 3781, 5793, 11343, 36689, 110067, 384269, 1152807, 7301111, 21903333]

約数ペア:

[(1, 21903333), (3, 7301111), (19, 1152807), (57, 384269), (199, 110067), (597, 36689), (1931, 11343), (3781, 5793)]