21080642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23371}}^1$

素因数の和:23425

約数の個数: 16

約数和(自身を含む): 35338464

約数和(自身を除く): 14257822

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 23371, 46742, 257081, 514162, 958211, 1916422, 10540321, 21080642]

約数ペア:

[(1, 21080642), (2, 10540321), (11, 1916422), (22, 958211), (41, 514162), (82, 257081), (451, 46742), (902, 23371)]