21564699

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{1277}}^1$

素因数の和:1726

約数の個数: 16

約数和(自身を含む): 31060512

約数和(自身を除く): 9495813

約数列:

[1, 3, 13, 39, 433, 1277, 1299, 3831, 5629, 16601, 16887, 49803, 552941, 1658823, 7188233, 21564699]

約数ペア:

[(1, 21564699), (3, 7188233), (13, 1658823), (39, 552941), (433, 49803), (1277, 16887), (1299, 16601), (3831, 5629)]