21310757

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 23876160

約数和(自身を除く): 2565403

約数列:

[1, 13, 43, 67, 559, 569, 871, 2881, 7397, 24467, 37453, 38123, 318071, 495599, 1639289, 21310757]

約数ペア:

[(1, 21310757), (13, 1639289), (43, 495599), (67, 318071), (559, 38123), (569, 37453), (871, 24467), (2881, 7397)]