21111926

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2971}}^1$

素因数の和:3020

約数の個数: 32

約数和(自身を含む): 38517120

約数和(自身を除く): 17405194

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 187, 209, 323, 374, 418, 646, 2971, 3553, 5942, 7106, 32681, 50507, 56449, 65362, 101014, 112898, 555577, 620939, 959633, 1111154, 1241878, 1919266, 10555963, 21111926]

約数ペア:

[(1, 21111926), (2, 10555963), (11, 1919266), (17, 1241878), (19, 1111154), (22, 959633), (34, 620939), (38, 555577), (187, 112898), (209, 101014), (323, 65362), (374, 56449), (418, 50507), (646, 32681), (2971, 7106), (3553, 5942)]