21072183

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 11103177

約数列:

[1, 3, 11, 29, 33, 87, 97, 227, 291, 319, 681, 957, 1067, 2497, 2813, 3201, 6583, 7491, 8439, 19749, 22019, 30943, 66057, 72413, 92829, 217239, 242209, 638551, 726627, 1915653, 7024061, 21072183]

約数ペア:

[(1, 21072183), (3, 7024061), (11, 1915653), (29, 726627), (33, 638551), (87, 242209), (97, 217239), (227, 92829), (291, 72413), (319, 66057), (681, 30943), (957, 22019), (1067, 19749), (2497, 8439), (2813, 7491), (3201, 6583)]