21384802

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{1171}}^1$

素因数の和:1593

約数の個数: 16

約数和(自身を含む): 33584832

約数和(自身を除く): 12200030

約数列:

[1, 2, 23, 46, 397, 794, 1171, 2342, 9131, 18262, 26933, 53866, 464887, 929774, 10692401, 21384802]

約数ペア:

[(1, 21384802), (2, 10692401), (23, 929774), (46, 464887), (397, 53866), (794, 26933), (1171, 18262), (2342, 9131)]