21532581

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1931}}^1$

素因数の和:2006

約数の個数: 32

約数和(自身を含む): 37094400

約数和(自身を除く): 15561819

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 177, 189, 413, 531, 1239, 1593, 1931, 3717, 5793, 11151, 13517, 17379, 40551, 52137, 113929, 121653, 341787, 364959, 797503, 1025361, 2392509, 3076083, 7177527, 21532581]

約数ペア:

[(1, 21532581), (3, 7177527), (7, 3076083), (9, 2392509), (21, 1025361), (27, 797503), (59, 364959), (63, 341787), (177, 121653), (189, 113929), (413, 52137), (531, 40551), (1239, 17379), (1593, 13517), (1931, 11151), (3717, 5793)]