21079470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1669}}^1$

素因数の和:2100

約数の個数: 32

約数和(自身を含む): 50741280

約数和(自身を除く): 29661810

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 421, 842, 1263, 1669, 2105, 2526, 3338, 4210, 5007, 6315, 8345, 10014, 12630, 16690, 25035, 50070, 702649, 1405298, 2107947, 3513245, 4215894, 7026490, 10539735, 21079470]

約数ペア:

[(1, 21079470), (2, 10539735), (3, 7026490), (5, 4215894), (6, 3513245), (10, 2107947), (15, 1405298), (30, 702649), (421, 50070), (842, 25035), (1263, 16690), (1669, 12630), (2105, 10014), (2526, 8345), (3338, 6315), (4210, 5007)]