21378346

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1\times {\mathrm{1103}}^1$

素因数の和:1997

約数の個数: 16

約数和(自身を含む): 35054208

約数和(自身を除く): 13675862

約数列:

[1, 2, 11, 22, 881, 1103, 1762, 2206, 9691, 12133, 19382, 24266, 971743, 1943486, 10689173, 21378346]

約数ペア:

[(1, 21378346), (2, 10689173), (11, 1943486), (22, 971743), (881, 24266), (1103, 19382), (1762, 12133), (2206, 9691)]