21282828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253367}}^1$

素因数の和:253381

約数の個数: 24

約数和(自身を含む): 56754432

約数和(自身を除く): 35471604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253367, 506734, 760101, 1013468, 1520202, 1773569, 3040404, 3547138, 5320707, 7094276, 10641414, 21282828]

約数ペア:

[(1, 21282828), (2, 10641414), (3, 7094276), (4, 5320707), (6, 3547138), (7, 3040404), (12, 1773569), (14, 1520202), (21, 1013468), (28, 760101), (42, 506734), (84, 253367)]