21306882

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{208891}}^1$

素因数の和:208913

約数の個数: 16

約数和(自身を含む): 45120672

約数和(自身を除く): 23813790

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 208891, 417782, 626673, 1253346, 3551147, 7102294, 10653441, 21306882]

約数ペア:

[(1, 21306882), (2, 10653441), (3, 7102294), (6, 3551147), (17, 1253346), (34, 626673), (51, 417782), (102, 208891)]