21314918

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2707}}^1$

素因数の和:2867

約数の個数: 16

約数和(自身を含む): 33275904

約数和(自身を除く): 11960986

約数列:

[1, 2, 31, 62, 127, 254, 2707, 3937, 5414, 7874, 83917, 167834, 343789, 687578, 10657459, 21314918]

約数ペア:

[(1, 21314918), (2, 10657459), (31, 687578), (62, 343789), (127, 167834), (254, 83917), (2707, 7874), (3937, 5414)]