21721174

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1\times {\mathrm{769}}^1$

素因数の和:1287

約数の個数: 16

約数和(自身を含む): 33818400

約数和(自身を除く): 12097226

約数列:

[1, 2, 29, 58, 487, 769, 974, 1538, 14123, 22301, 28246, 44602, 374503, 749006, 10860587, 21721174]

約数ペア:

[(1, 21721174), (2, 10860587), (29, 749006), (58, 374503), (487, 44602), (769, 28246), (974, 22301), (1538, 14123)]