21782144

素因数分解:

$2^7\times {\mathrm{167}}^1\times {\mathrm{1019}}^1$

素因数の和:1200

約数の個数: 32

約数和(自身を含む): 43696800

約数和(自身を除く): 21914656

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 167, 334, 668, 1019, 1336, 2038, 2672, 4076, 5344, 8152, 10688, 16304, 21376, 32608, 65216, 130432, 170173, 340346, 680692, 1361384, 2722768, 5445536, 10891072, 21782144]

約数ペア:

[(1, 21782144), (2, 10891072), (4, 5445536), (8, 2722768), (16, 1361384), (32, 680692), (64, 340346), (128, 170173), (167, 130432), (334, 65216), (668, 32608), (1019, 21376), (1336, 16304), (2038, 10688), (2672, 8152), (4076, 5344)]