21167477480

素因数分解:

$2^3\times 5^1\times {\mathrm{3359}}^1\times {\mathrm{157543}}^1$

素因数の和:160913

約数の個数: 32

約数和(自身を含む): 47641305600

約数和(自身を除く): 26473828120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3359, 6718, 13436, 16795, 26872, 33590, 67180, 134360, 157543, 315086, 630172, 787715, 1260344, 1575430, 3150860, 6301720, 529186937, 1058373874, 2116747748, 2645934685, 4233495496, 5291869370, 10583738740, 21167477480]

約数ペア:

[(1, 21167477480), (2, 10583738740), (4, 5291869370), (5, 4233495496), (8, 2645934685), (10, 2116747748), (20, 1058373874), (40, 529186937), (3359, 6301720), (6718, 3150860), (13436, 1575430), (16795, 1260344), (26872, 787715), (33590, 630172), (67180, 315086), (134360, 157543)]