21535306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{17623}}^1$

素因数の和:17685

約数の個数: 16

約数和(自身を含む): 35529984

約数和(自身を除く): 13994678

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 17623, 35246, 229099, 458198, 828281, 1656562, 10767653, 21535306]

約数ペア:

[(1, 21535306), (2, 10767653), (13, 1656562), (26, 828281), (47, 458198), (94, 229099), (611, 35246), (1222, 17623)]