21407876

素因数分解:

$2^2\times 7^1\times {\mathrm{823}}^1\times {\mathrm{929}}^1$

素因数の和:1763

約数の個数: 24

約数和(自身を含む): 42913920

約数和(自身を除く): 21506044

約数列:

[1, 2, 4, 7, 14, 28, 823, 929, 1646, 1858, 3292, 3716, 5761, 6503, 11522, 13006, 23044, 26012, 764567, 1529134, 3058268, 5351969, 10703938, 21407876]

約数ペア:

[(1, 21407876), (2, 10703938), (4, 5351969), (7, 3058268), (14, 1529134), (28, 764567), (823, 26012), (929, 23044), (1646, 13006), (1858, 11522), (3292, 6503), (3716, 5761)]