21320574

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7879}}^1$

素因数の和:7936

約数の個数: 32

約数和(自身を含む): 47658240

約数和(自身を除く): 26337666

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 82, 123, 246, 451, 902, 1353, 2706, 7879, 15758, 23637, 47274, 86669, 173338, 260007, 323039, 520014, 646078, 969117, 1938234, 3553429, 7106858, 10660287, 21320574]

約数ペア:

[(1, 21320574), (2, 10660287), (3, 7106858), (6, 3553429), (11, 1938234), (22, 969117), (33, 646078), (41, 520014), (66, 323039), (82, 260007), (123, 173338), (246, 86669), (451, 47274), (902, 23637), (1353, 15758), (2706, 7879)]