21254286

素因数分解:

$2^1\times 3^1\times {\mathrm{373}}^1\times {\mathrm{9497}}^1$

素因数の和:9875

約数の個数: 16

約数和(自身を含む): 42627024

約数和(自身を除く): 21372738

約数列:

[1, 2, 3, 6, 373, 746, 1119, 2238, 9497, 18994, 28491, 56982, 3542381, 7084762, 10627143, 21254286]

約数ペア:

[(1, 21254286), (2, 10627143), (3, 7084762), (6, 3542381), (373, 56982), (746, 28491), (1119, 18994), (2238, 9497)]