21255948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84349}}^1$

素因数の和:84366

約数の個数: 36

約数和(自身を含む): 61406800

約数和(自身を除く): 40150852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84349, 168698, 253047, 337396, 506094, 590443, 759141, 1012188, 1180886, 1518282, 1771329, 2361772, 3036564, 3542658, 5313987, 7085316, 10627974, 21255948]

約数ペア:

[(1, 21255948), (2, 10627974), (3, 7085316), (4, 5313987), (6, 3542658), (7, 3036564), (9, 2361772), (12, 1771329), (14, 1518282), (18, 1180886), (21, 1012188), (28, 759141), (36, 590443), (42, 506094), (63, 337396), (84, 253047), (126, 168698), (252, 84349)]