21581034

素因数分解:

$2^1\times 3^1\times {\mathrm{373}}^1\times {\mathrm{9643}}^1$

素因数の和:10021

約数の個数: 16

約数和(自身を含む): 43282272

約数和(自身を除く): 21701238

約数列:

[1, 2, 3, 6, 373, 746, 1119, 2238, 9643, 19286, 28929, 57858, 3596839, 7193678, 10790517, 21581034]

約数ペア:

[(1, 21581034), (2, 10790517), (3, 7193678), (6, 3596839), (373, 57858), (746, 28929), (1119, 19286), (2238, 9643)]