21042468

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{9907}}^1$

素因数の和:9976

約数の個数: 36

約数和(自身を含む): 54097680

約数和(自身を除く): 33055212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 9907, 19814, 29721, 39628, 59442, 89163, 118884, 178326, 356652, 584513, 1169026, 1753539, 2338052, 3507078, 5260617, 7014156, 10521234, 21042468]

約数ペア:

[(1, 21042468), (2, 10521234), (3, 7014156), (4, 5260617), (6, 3507078), (9, 2338052), (12, 1753539), (18, 1169026), (36, 584513), (59, 356652), (118, 178326), (177, 118884), (236, 89163), (354, 59442), (531, 39628), (708, 29721), (1062, 19814), (2124, 9907)]