21103260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{643}}^1$

素因数の和:1202

約数の個数: 48

約数和(自身を含む): 59289216

約数和(自身を除く): 38185956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 547, 643, 1094, 1286, 1641, 1929, 2188, 2572, 2735, 3215, 3282, 3858, 5470, 6430, 6564, 7716, 8205, 9645, 10940, 12860, 16410, 19290, 32820, 38580, 351721, 703442, 1055163, 1406884, 1758605, 2110326, 3517210, 4220652, 5275815, 7034420, 10551630, 21103260]

約数ペア:

[(1, 21103260), (2, 10551630), (3, 7034420), (4, 5275815), (5, 4220652), (6, 3517210), (10, 2110326), (12, 1758605), (15, 1406884), (20, 1055163), (30, 703442), (60, 351721), (547, 38580), (643, 32820), (1094, 19290), (1286, 16410), (1641, 12860), (1929, 10940), (2188, 9645), (2572, 8205), (2735, 7716), (3215, 6564), (3282, 6430), (3858, 5470)]