21409154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{48437}}^1$

素因数の和:48469

約数の個数: 16

約数和(自身を含む): 36619128

約数和(自身を除く): 15209974

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 48437, 96874, 629681, 823429, 1259362, 1646858, 10704577, 21409154]

約数ペア:

[(1, 21409154), (2, 10704577), (13, 1646858), (17, 1259362), (26, 823429), (34, 629681), (221, 96874), (442, 48437)]