21891214

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{557}}^1$

素因数の和:1059

約数の個数: 16

約数和(自身を含む): 33734448

約数和(自身を除く): 11843234

約数列:

[1, 2, 43, 86, 457, 557, 914, 1114, 19651, 23951, 39302, 47902, 254549, 509098, 10945607, 21891214]

約数ペア:

[(1, 21891214), (2, 10945607), (43, 509098), (86, 254549), (457, 47902), (557, 39302), (914, 23951), (1114, 19651)]