21977042

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{607}}^1$

素因数の和:1073

約数の個数: 16

約数和(自身を含む): 33868032

約数和(自身を除く): 11890990

約数列:

[1, 2, 43, 86, 421, 607, 842, 1214, 18103, 26101, 36206, 52202, 255547, 511094, 10988521, 21977042]

約数ペア:

[(1, 21977042), (2, 10988521), (43, 511094), (86, 255547), (421, 52202), (607, 36206), (842, 26101), (1214, 18103)]