21830506

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{4133}}^1$

素因数の和:4293

約数の個数: 16

約数和(自身を含む): 34725600

約数和(自身を除く): 12895094

約数列:

[1, 2, 19, 38, 139, 278, 2641, 4133, 5282, 8266, 78527, 157054, 574487, 1148974, 10915253, 21830506]

約数ペア:

[(1, 21830506), (2, 10915253), (19, 1148974), (38, 574487), (139, 157054), (278, 78527), (2641, 8266), (4133, 5282)]