21281316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253349}}^1$

素因数の和:253363

約数の個数: 24

約数和(自身を含む): 56750400

約数和(自身を除く): 35469084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253349, 506698, 760047, 1013396, 1520094, 1773443, 3040188, 3546886, 5320329, 7093772, 10640658, 21281316]

約数ペア:

[(1, 21281316), (2, 10640658), (3, 7093772), (4, 5320329), (6, 3546886), (7, 3040188), (12, 1773443), (14, 1520094), (21, 1013396), (28, 760047), (42, 506698), (84, 253349)]