21796976

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{20333}}^1$

素因数の和:20408

約数の個数: 20

約数和(自身を含む): 42864072

約数和(自身を除く): 21067096

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 20333, 40666, 81332, 162664, 325328, 1362311, 2724622, 5449244, 10898488, 21796976]

約数ペア:

[(1, 21796976), (2, 10898488), (4, 5449244), (8, 2724622), (16, 1362311), (67, 325328), (134, 162664), (268, 81332), (536, 40666), (1072, 20333)]