21338514

素因数分解:

$2^1\times 3^2\times {\mathrm{251}}^1\times {\mathrm{4723}}^1$

素因数の和:4982

約数の個数: 24

約数和(自身を含む): 46427472

約数和(自身を除く): 25088958

約数列:

[1, 2, 3, 6, 9, 18, 251, 502, 753, 1506, 2259, 4518, 4723, 9446, 14169, 28338, 42507, 85014, 1185473, 2370946, 3556419, 7112838, 10669257, 21338514]

約数ペア:

[(1, 21338514), (2, 10669257), (3, 7112838), (6, 3556419), (9, 2370946), (18, 1185473), (251, 85014), (502, 42507), (753, 28338), (1506, 14169), (2259, 9446), (4518, 4723)]