21555093

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21839}}^1$

素因数の和:21896

約数の個数: 16

約数和(自身を含む): 33546240

約数和(自身を除く): 11991147

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 21839, 65517, 152873, 458619, 1026433, 3079299, 7185031, 21555093]

約数ペア:

[(1, 21555093), (3, 7185031), (7, 3079299), (21, 1026433), (47, 458619), (141, 152873), (329, 65517), (987, 21839)]