21542523

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{827}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 30337920

約数和(自身を除く): 8795397

約数列:

[1, 3, 19, 57, 457, 827, 1371, 2481, 8683, 15713, 26049, 47139, 377939, 1133817, 7180841, 21542523]

約数ペア:

[(1, 21542523), (3, 7180841), (19, 1133817), (57, 377939), (457, 47139), (827, 26049), (1371, 15713), (2481, 8683)]