21854468

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 38918880

約数和(自身を除く): 17064412

約数列:

[1, 2, 4, 131, 179, 233, 262, 358, 466, 524, 716, 932, 23449, 30523, 41707, 46898, 61046, 83414, 93796, 122092, 166828, 5463617, 10927234, 21854468]

約数ペア:

[(1, 21854468), (2, 10927234), (4, 5463617), (131, 166828), (179, 122092), (233, 93796), (262, 83414), (358, 61046), (466, 46898), (524, 41707), (716, 30523), (932, 23449)]