21955101

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{5417}}^1$

素因数の和:5620

約数の個数: 16

約数和(自身を含む): 33634944

約数和(自身を除く): 11679843

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 5417, 16251, 37919, 113757, 1045481, 3136443, 7318367, 21955101]

約数ペア:

[(1, 21955101), (3, 7318367), (7, 3136443), (21, 1045481), (193, 113757), (579, 37919), (1351, 16251), (4053, 5417)]