21078230

素因数分解:

$2^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{5651}}^1$

素因数の和:6031

約数の個数: 16

約数和(自身を含む): 38049264

約数和(自身を除く): 16971034

約数列:

[1, 2, 5, 10, 373, 746, 1865, 3730, 5651, 11302, 28255, 56510, 2107823, 4215646, 10539115, 21078230]

約数ペア:

[(1, 21078230), (2, 10539115), (5, 4215646), (10, 2107823), (373, 56510), (746, 28255), (1865, 11302), (3730, 5651)]