21059578

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1\times {\mathrm{563}}^1$

素因数の和:941

約数の個数: 16

約数和(自身を含む): 32283360

約数和(自身を除く): 11223782

約数列:

[1, 2, 59, 118, 317, 563, 634, 1126, 18703, 33217, 37406, 66434, 178471, 356942, 10529789, 21059578]

約数ペア:

[(1, 21059578), (2, 10529789), (59, 356942), (118, 178471), (317, 66434), (563, 37406), (634, 33217), (1126, 18703)]