21549206

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66923}}^1$

素因数の和:66955

約数の個数: 16

約数和(自身を含む): 38548224

約数和(自身を除く): 16999018

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 66923, 133846, 468461, 936922, 1539229, 3078458, 10774603, 21549206]

約数ペア:

[(1, 21549206), (2, 10774603), (7, 3078458), (14, 1539229), (23, 936922), (46, 468461), (161, 133846), (322, 66923)]