21330708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253937}}^1$

素因数の和:253951

約数の個数: 24

約数和(自身を含む): 56882112

約数和(自身を除く): 35551404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253937, 507874, 761811, 1015748, 1523622, 1777559, 3047244, 3555118, 5332677, 7110236, 10665354, 21330708]

約数ペア:

[(1, 21330708), (2, 10665354), (3, 7110236), (4, 5332677), (6, 3555118), (7, 3047244), (12, 1777559), (14, 1523622), (21, 1015748), (28, 761811), (42, 507874), (84, 253937)]