21288372

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253433}}^1$

素因数の和:253447

約数の個数: 24

約数和(自身を含む): 56769216

約数和(自身を除く): 35480844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253433, 506866, 760299, 1013732, 1520598, 1774031, 3041196, 3548062, 5322093, 7096124, 10644186, 21288372]

約数ペア:

[(1, 21288372), (2, 10644186), (3, 7096124), (4, 5322093), (6, 3548062), (7, 3041196), (12, 1774031), (14, 1520598), (21, 1013732), (28, 760299), (42, 506866), (84, 253433)]