21635408

素因数分解:

$2^4\times {\mathrm{1019}}^1\times {\mathrm{1327}}^1$

素因数の和:2354

約数の個数: 20

約数和(自身を含む): 41991360

約数和(自身を除く): 20355952

約数列:

[1, 2, 4, 8, 16, 1019, 1327, 2038, 2654, 4076, 5308, 8152, 10616, 16304, 21232, 1352213, 2704426, 5408852, 10817704, 21635408]

約数ペア:

[(1, 21635408), (2, 10817704), (4, 5408852), (8, 2704426), (16, 1352213), (1019, 21232), (1327, 16304), (2038, 10616), (2654, 8152), (4076, 5308)]