21167630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{967}}^1$

素因数の和:1184

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 20649970

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 967, 995, 1934, 1990, 2189, 4378, 4835, 9670, 10637, 10945, 21274, 21890, 53185, 106370, 192433, 384866, 962165, 1924330, 2116763, 4233526, 10583815, 21167630]

約数ペア:

[(1, 21167630), (2, 10583815), (5, 4233526), (10, 2116763), (11, 1924330), (22, 962165), (55, 384866), (110, 192433), (199, 106370), (398, 53185), (967, 21890), (995, 21274), (1934, 10945), (1990, 10637), (2189, 9670), (4378, 4835)]