21742758

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{16547}}^1$

素因数の和:16628

約数の個数: 24

約数和(自身を含む): 47757528

約数和(自身を除く): 26014770

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 16547, 33094, 49641, 99282, 148923, 297846, 1207931, 2415862, 3623793, 7247586, 10871379, 21742758]

約数ペア:

[(1, 21742758), (2, 10871379), (3, 7247586), (6, 3623793), (9, 2415862), (18, 1207931), (73, 297846), (146, 148923), (219, 99282), (438, 49641), (657, 33094), (1314, 16547)]