21295047

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{3881}}^1$

素因数の和:3974

約数の個数: 16

約数和(自身を含む): 29813760

約数和(自身を除く): 8518713

約数列:

[1, 3, 31, 59, 93, 177, 1829, 3881, 5487, 11643, 120311, 228979, 360933, 686937, 7098349, 21295047]

約数ペア:

[(1, 21295047), (3, 7098349), (31, 686937), (59, 360933), (93, 228979), (177, 120311), (1829, 11643), (3881, 5487)]