21002706

素因数分解:

$2^1\times 3^3\times {\mathrm{131}}^1\times {\mathrm{2969}}^1$

素因数の和:3111

約数の個数: 32

約数和(自身を含む): 47044800

約数和(自身を除く): 26042094

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 131, 262, 393, 786, 1179, 2358, 2969, 3537, 5938, 7074, 8907, 17814, 26721, 53442, 80163, 160326, 388939, 777878, 1166817, 2333634, 3500451, 7000902, 10501353, 21002706]

約数ペア:

[(1, 21002706), (2, 10501353), (3, 7000902), (6, 3500451), (9, 2333634), (18, 1166817), (27, 777878), (54, 388939), (131, 160326), (262, 80163), (393, 53442), (786, 26721), (1179, 17814), (2358, 8907), (2969, 7074), (3537, 5938)]