21492408

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127931}}^1$

素因数の和:127947

約数の個数: 32

約数和(自身を含む): 61407360

約数和(自身を除く): 39914952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 127931, 255862, 383793, 511724, 767586, 895517, 1023448, 1535172, 1791034, 2686551, 3070344, 3582068, 5373102, 7164136, 10746204, 21492408]

約数ペア:

[(1, 21492408), (2, 10746204), (3, 7164136), (4, 5373102), (6, 3582068), (7, 3070344), (8, 2686551), (12, 1791034), (14, 1535172), (21, 1023448), (24, 895517), (28, 767586), (42, 511724), (56, 383793), (84, 255862), (168, 127931)]