210340921

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{9059}}^1$

素因数の和:9204

約数の個数: 16

約数和(自身を含む): 250490880

約数和(自身を除く): 40149959

約数列:

[1, 7, 31, 107, 217, 749, 3317, 9059, 23219, 63413, 280829, 969313, 1965803, 6785191, 30048703, 210340921]

約数ペア:

[(1, 210340921), (7, 30048703), (31, 6785191), (107, 1965803), (217, 969313), (749, 280829), (3317, 63413), (9059, 23219)]