21163808

素因数分解:

$2^5\times {\mathrm{313}}^1\times {\mathrm{2113}}^1$

素因数の和:2436

約数の個数: 24

約数和(自身を含む): 41819148

約数和(自身を除く): 20655340

約数列:

[1, 2, 4, 8, 16, 32, 313, 626, 1252, 2113, 2504, 4226, 5008, 8452, 10016, 16904, 33808, 67616, 661369, 1322738, 2645476, 5290952, 10581904, 21163808]

約数ペア:

[(1, 21163808), (2, 10581904), (4, 5290952), (8, 2645476), (16, 1322738), (32, 661369), (313, 67616), (626, 33808), (1252, 16904), (2113, 10016), (2504, 8452), (4226, 5008)]