21308886

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{6469}}^1$

素因数の和:6541

約数の個数: 32

約数和(自身を含む): 48136800

約数和(自身を除く): 26827914

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 366, 549, 1098, 1647, 3294, 6469, 12938, 19407, 38814, 58221, 116442, 174663, 349326, 394609, 789218, 1183827, 2367654, 3551481, 7102962, 10654443, 21308886]

約数ペア:

[(1, 21308886), (2, 10654443), (3, 7102962), (6, 3551481), (9, 2367654), (18, 1183827), (27, 789218), (54, 394609), (61, 349326), (122, 174663), (183, 116442), (366, 58221), (549, 38814), (1098, 19407), (1647, 12938), (3294, 6469)]