21984136

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{733}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 43335360

約数和(自身を除く): 21351224

約数列:

[1, 2, 4, 8, 23, 46, 92, 163, 184, 326, 652, 733, 1304, 1466, 2932, 3749, 5864, 7498, 14996, 16859, 29992, 33718, 67436, 119479, 134872, 238958, 477916, 955832, 2748017, 5496034, 10992068, 21984136]

約数ペア:

[(1, 21984136), (2, 10992068), (4, 5496034), (8, 2748017), (23, 955832), (46, 477916), (92, 238958), (163, 134872), (184, 119479), (326, 67436), (652, 33718), (733, 29992), (1304, 16859), (1466, 14996), (2932, 7498), (3749, 5864)]