21167072

素因数分解:

$2^5\times {\mathrm{269}}^1\times {\mathrm{2459}}^1$

素因数の和:2738

約数の個数: 24

約数和(自身を含む): 41844600

約数和(自身を除く): 20677528

約数列:

[1, 2, 4, 8, 16, 32, 269, 538, 1076, 2152, 2459, 4304, 4918, 8608, 9836, 19672, 39344, 78688, 661471, 1322942, 2645884, 5291768, 10583536, 21167072]

約数ペア:

[(1, 21167072), (2, 10583536), (4, 5291768), (8, 2645884), (16, 1322942), (32, 661471), (269, 78688), (538, 39344), (1076, 19672), (2152, 9836), (2459, 8608), (4304, 4918)]