21863049

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13037}}^1$

素因数の和:13096

約数の個数: 16

約数和(自身を含む): 32125632

約数和(自身を除く): 10262583

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 13037, 39111, 169481, 508443, 560591, 1681773, 7287683, 21863049]

約数ペア:

[(1, 21863049), (3, 7287683), (13, 1681773), (39, 560591), (43, 508443), (129, 169481), (559, 39111), (1677, 13037)]