21138997

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:524

約数の個数: 16

約数和(自身を含む): 23794560

約数和(自身を除く): 2655563

約数列:

[1, 11, 53, 101, 359, 583, 1111, 3949, 5353, 19027, 36259, 58883, 209297, 398849, 1921727, 21138997]

約数ペア:

[(1, 21138997), (11, 1921727), (53, 398849), (101, 209297), (359, 58883), (583, 36259), (1111, 19027), (3949, 5353)]