21704288

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{11119}}^1$

素因数の和:11190

約数の個数: 24

約数和(自身を含む): 43434720

約数和(自身を除く): 21730432

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 11119, 22238, 44476, 88952, 177904, 355808, 678259, 1356518, 2713036, 5426072, 10852144, 21704288]

約数ペア:

[(1, 21704288), (2, 10852144), (4, 5426072), (8, 2713036), (16, 1356518), (32, 678259), (61, 355808), (122, 177904), (244, 88952), (488, 44476), (976, 22238), (1952, 11119)]