21984911

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 24630144

約数和(自身を除く): 2645233

約数列:

[1, 13, 43, 67, 559, 587, 871, 2881, 7631, 25241, 37453, 39329, 328133, 511277, 1691147, 21984911]

約数ペア:

[(1, 21984911), (13, 1691147), (43, 511277), (67, 328133), (559, 39329), (587, 37453), (871, 25241), (2881, 7631)]