21669918

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{439}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 45830400

約数和(自身を除く): 24160482

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 433, 439, 866, 878, 1299, 1317, 2598, 2634, 8227, 8341, 16454, 16682, 24681, 25023, 49362, 50046, 190087, 380174, 570261, 1140522, 3611653, 7223306, 10834959, 21669918]

約数ペア:

[(1, 21669918), (2, 10834959), (3, 7223306), (6, 3611653), (19, 1140522), (38, 570261), (57, 380174), (114, 190087), (433, 50046), (439, 49362), (866, 25023), (878, 24681), (1299, 16682), (1317, 16454), (2598, 8341), (2634, 8227)]