21190008

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126131}}^1$

素因数の和:126147

約数の個数: 32

約数和(自身を含む): 60543360

約数和(自身を除く): 39353352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126131, 252262, 378393, 504524, 756786, 882917, 1009048, 1513572, 1765834, 2648751, 3027144, 3531668, 5297502, 7063336, 10595004, 21190008]

約数ペア:

[(1, 21190008), (2, 10595004), (3, 7063336), (4, 5297502), (6, 3531668), (7, 3027144), (8, 2648751), (12, 1765834), (14, 1513572), (21, 1009048), (24, 882917), (28, 756786), (42, 504524), (56, 378393), (84, 252262), (168, 126131)]