21586299

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{54101}}^1$

素因数の和:54130

約数の個数: 16

約数和(自身を含む): 34625280

約数和(自身を除く): 13038981

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 54101, 162303, 378707, 1027919, 1136121, 3083757, 7195433, 21586299]

約数ペア:

[(1, 21586299), (3, 7195433), (7, 3083757), (19, 1136121), (21, 1027919), (57, 378707), (133, 162303), (399, 54101)]