21207627

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10859}}^1$

素因数の和:10903

約数の個数: 24

約数和(自身を含む): 36142080

約数和(自身を除く): 14934453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10859, 32577, 76013, 97731, 228039, 336629, 684117, 1009887, 2356403, 3029661, 7069209, 21207627]

約数ペア:

[(1, 21207627), (3, 7069209), (7, 3029661), (9, 2356403), (21, 1009887), (31, 684117), (63, 336629), (93, 228039), (217, 97731), (279, 76013), (651, 32577), (1953, 10859)]