21909756

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{165983}}^1$

素因数の和:166001

約数の個数: 24

約数和(自身を含む): 55770624

約数和(自身を除く): 33860868

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 165983, 331966, 497949, 663932, 995898, 1825813, 1991796, 3651626, 5477439, 7303252, 10954878, 21909756]

約数ペア:

[(1, 21909756), (2, 10954878), (3, 7303252), (4, 5477439), (6, 3651626), (11, 1991796), (12, 1825813), (22, 995898), (33, 663932), (44, 497949), (66, 331966), (132, 165983)]