21093728

素因数分解:

$2^5\times {\mathrm{499}}^1\times {\mathrm{1321}}^1$

素因数の和:1830

約数の個数: 24

約数和(自身を含む): 41643000

約数和(自身を除く): 20549272

約数列:

[1, 2, 4, 8, 16, 32, 499, 998, 1321, 1996, 2642, 3992, 5284, 7984, 10568, 15968, 21136, 42272, 659179, 1318358, 2636716, 5273432, 10546864, 21093728]

約数ペア:

[(1, 21093728), (2, 10546864), (4, 5273432), (8, 2636716), (16, 1318358), (32, 659179), (499, 42272), (998, 21136), (1321, 15968), (1996, 10568), (2642, 7984), (3992, 5284)]