21047944

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1567}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 41771520

約数和(自身を除く): 20723576

約数列:

[1, 2, 4, 8, 23, 46, 73, 92, 146, 184, 292, 584, 1567, 1679, 3134, 3358, 6268, 6716, 12536, 13432, 36041, 72082, 114391, 144164, 228782, 288328, 457564, 915128, 2630993, 5261986, 10523972, 21047944]

約数ペア:

[(1, 21047944), (2, 10523972), (4, 5261986), (8, 2630993), (23, 915128), (46, 457564), (73, 288328), (92, 228782), (146, 144164), (184, 114391), (292, 72082), (584, 36041), (1567, 13432), (1679, 12536), (3134, 6716), (3358, 6268)]