21608768

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19861}}^1$

素因数の和:19890

約数の個数: 28

約数和(自身を含む): 45404532

約数和(自身を除く): 23795764

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19861, 39722, 79444, 158888, 317776, 337637, 635552, 675274, 1271104, 1350548, 2701096, 5402192, 10804384, 21608768]

約数ペア:

[(1, 21608768), (2, 10804384), (4, 5402192), (8, 2701096), (16, 1350548), (17, 1271104), (32, 675274), (34, 635552), (64, 337637), (68, 317776), (136, 158888), (272, 79444), (544, 39722), (1088, 19861)]