21936356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4349}}^1$

素因数の和:4463

約数の個数: 24

約数和(自身を含む): 41777400

約数和(自身を除く): 19841044

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 4349, 5044, 8698, 17396, 56537, 113074, 226148, 421853, 843706, 1687412, 5484089, 10968178, 21936356]

約数ペア:

[(1, 21936356), (2, 10968178), (4, 5484089), (13, 1687412), (26, 843706), (52, 421853), (97, 226148), (194, 113074), (388, 56537), (1261, 17396), (2522, 8698), (4349, 5044)]