21799151

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2711}}^1$

素因数の和:2782

約数の個数: 16

約数和(自身を含む): 25774848

約数和(自身を除く): 3975697

約数列:

[1, 11, 17, 43, 187, 473, 731, 2711, 8041, 29821, 46087, 116573, 506957, 1282303, 1981741, 21799151]

約数ペア:

[(1, 21799151), (11, 1981741), (17, 1282303), (43, 506957), (187, 116573), (473, 46087), (731, 29821), (2711, 8041)]