21153946

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{1433}}^1$

素因数の和:1518

約数の個数: 24

約数和(自身を含む): 35474292

約数和(自身を除く): 14320346

約数列:

[1, 2, 11, 22, 61, 121, 122, 242, 671, 1342, 1433, 2866, 7381, 14762, 15763, 31526, 87413, 173393, 174826, 346786, 961543, 1923086, 10576973, 21153946]

約数ペア:

[(1, 21153946), (2, 10576973), (11, 1923086), (22, 961543), (61, 346786), (121, 174826), (122, 173393), (242, 87413), (671, 31526), (1342, 15763), (1433, 14762), (2866, 7381)]