21516649

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1231}}^1$

素因数の和:1476

約数の個数: 16

約数和(自身を含む): 26966016

約数和(自身を除く): 5449367

約数列:

[1, 7, 11, 77, 227, 1231, 1589, 2497, 8617, 13541, 17479, 94787, 279437, 1956059, 3073807, 21516649]

約数ペア:

[(1, 21516649), (7, 3073807), (11, 1956059), (77, 279437), (227, 94787), (1231, 17479), (1589, 13541), (2497, 8617)]