21615194

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{1249}}^1$

素因数の和:1777

約数の個数: 16

約数和(自身を含む): 34425000

約数和(自身を除く): 12809806

約数列:

[1, 2, 17, 34, 509, 1018, 1249, 2498, 8653, 17306, 21233, 42466, 635741, 1271482, 10807597, 21615194]

約数ペア:

[(1, 21615194), (2, 10807597), (17, 1271482), (34, 635741), (509, 42466), (1018, 21233), (1249, 17306), (2498, 8653)]