21187068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4759}}^1$

素因数の和:4826

約数の個数: 48

約数和(自身を含む): 57576960

約数和(自身を除く): 36389892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 4759, 9518, 14277, 19036, 28554, 33313, 57108, 66626, 99939, 133252, 199878, 252227, 399756, 504454, 756681, 1008908, 1513362, 1765589, 3026724, 3531178, 5296767, 7062356, 10593534, 21187068]

約数ペア:

[(1, 21187068), (2, 10593534), (3, 7062356), (4, 5296767), (6, 3531178), (7, 3026724), (12, 1765589), (14, 1513362), (21, 1008908), (28, 756681), (42, 504454), (53, 399756), (84, 252227), (106, 199878), (159, 133252), (212, 99939), (318, 66626), (371, 57108), (636, 33313), (742, 28554), (1113, 19036), (1484, 14277), (2226, 9518), (4452, 4759)]