21403823

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6997}}^1$

素因数の和:7046

約数の個数: 16

約数和(自身を含む): 26872320

約数和(自身を除く): 5468497

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6997, 48979, 132943, 160931, 930601, 1126517, 3057689, 21403823]

約数ペア:

[(1, 21403823), (7, 3057689), (19, 1126517), (23, 930601), (133, 160931), (161, 132943), (437, 48979), (3059, 6997)]