21363808

素因数分解:

$2^5\times {\mathrm{431}}^1\times {\mathrm{1549}}^1$

素因数の和:1990

約数の個数: 24

約数和(自身を含む): 42184800

約数和(自身を除く): 20820992

約数列:

[1, 2, 4, 8, 16, 32, 431, 862, 1549, 1724, 3098, 3448, 6196, 6896, 12392, 13792, 24784, 49568, 667619, 1335238, 2670476, 5340952, 10681904, 21363808]

約数ペア:

[(1, 21363808), (2, 10681904), (4, 5340952), (8, 2670476), (16, 1335238), (32, 667619), (431, 49568), (862, 24784), (1549, 13792), (1724, 12392), (3098, 6896), (3448, 6196)]