21352916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1451}}^1$

素因数の和:1751

約数の個数: 24

約数和(自身を含む): 40412064

約数和(自身を除く): 19059148

約数列:

[1, 2, 4, 13, 26, 52, 283, 566, 1132, 1451, 2902, 3679, 5804, 7358, 14716, 18863, 37726, 75452, 410633, 821266, 1642532, 5338229, 10676458, 21352916]

約数ペア:

[(1, 21352916), (2, 10676458), (4, 5338229), (13, 1642532), (26, 821266), (52, 410633), (283, 75452), (566, 37726), (1132, 18863), (1451, 14716), (2902, 7358), (3679, 5804)]