210533820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{501271}}^1$

素因数の和:501290

約数の個数: 48

約数和(自身を含む): 673709568

約数和(自身を除く): 463175748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 501271, 1002542, 1503813, 2005084, 2506355, 3007626, 3508897, 5012710, 6015252, 7017794, 7519065, 10025420, 10526691, 14035588, 15038130, 17544485, 21053382, 30076260, 35088970, 42106764, 52633455, 70177940, 105266910, 210533820]

約数ペア:

[(1, 210533820), (2, 105266910), (3, 70177940), (4, 52633455), (5, 42106764), (6, 35088970), (7, 30076260), (10, 21053382), (12, 17544485), (14, 15038130), (15, 14035588), (20, 10526691), (21, 10025420), (28, 7519065), (30, 7017794), (35, 6015252), (42, 5012710), (60, 3508897), (70, 3007626), (84, 2506355), (105, 2005084), (140, 1503813), (210, 1002542), (420, 501271)]