21200772

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^2\times {\mathrm{1051}}^1$

素因数の和:1140

約数の個数: 36

約数和(自身を含む): 50752688

約数和(自身を除く): 29551916

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 1051, 1681, 2102, 3153, 3362, 4204, 5043, 6306, 6724, 10086, 12612, 20172, 43091, 86182, 129273, 172364, 258546, 517092, 1766731, 3533462, 5300193, 7066924, 10600386, 21200772]

約数ペア:

[(1, 21200772), (2, 10600386), (3, 7066924), (4, 5300193), (6, 3533462), (12, 1766731), (41, 517092), (82, 258546), (123, 172364), (164, 129273), (246, 86182), (492, 43091), (1051, 20172), (1681, 12612), (2102, 10086), (3153, 6724), (3362, 6306), (4204, 5043)]