21189394

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{827}}^1$

素因数の和:1409

約数の個数: 16

約数和(自身を含む): 33265728

約数和(自身を除く): 12076334

約数列:

[1, 2, 23, 46, 557, 827, 1114, 1654, 12811, 19021, 25622, 38042, 460639, 921278, 10594697, 21189394]

約数ペア:

[(1, 21189394), (2, 10594697), (23, 921278), (46, 460639), (557, 38042), (827, 25622), (1114, 19021), (1654, 12811)]