21343784

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34649}}^1$

素因数の和:34673

約数の個数: 32

約数和(自身を含む): 49896000

約数和(自身を除く): 28552216

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 34649, 69298, 138596, 242543, 277192, 381139, 485086, 762278, 970172, 1524556, 1940344, 2667973, 3049112, 5335946, 10671892, 21343784]

約数ペア:

[(1, 21343784), (2, 10671892), (4, 5335946), (7, 3049112), (8, 2667973), (11, 1940344), (14, 1524556), (22, 970172), (28, 762278), (44, 485086), (56, 381139), (77, 277192), (88, 242543), (154, 138596), (308, 69298), (616, 34649)]