21248038

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{17053}}^1$

素因数の和:17151

約数の個数: 16

約数和(自身を含む): 36836640

約数和(自身を除く): 15588602

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 17053, 34106, 119371, 238742, 1517717, 3035434, 10624019, 21248038]

約数ペア:

[(1, 21248038), (2, 10624019), (7, 3035434), (14, 1517717), (89, 238742), (178, 119371), (623, 34106), (1246, 17053)]