21508326

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{170701}}^1$

素因数の和:170716

約数の個数: 24

約数和(自身を含む): 53259024

約数和(自身を除く): 31750698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 170701, 341402, 512103, 1024206, 1194907, 1536309, 2389814, 3072618, 3584721, 7169442, 10754163, 21508326]

約数ペア:

[(1, 21508326), (2, 10754163), (3, 7169442), (6, 3584721), (7, 3072618), (9, 2389814), (14, 1536309), (18, 1194907), (21, 1024206), (42, 512103), (63, 341402), (126, 170701)]