21139902

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{167777}}^1$

素因数の和:167792

約数の個数: 24

約数和(自身を含む): 52346736

約数和(自身を除く): 31206834

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 167777, 335554, 503331, 1006662, 1174439, 1509993, 2348878, 3019986, 3523317, 7046634, 10569951, 21139902]

約数ペア:

[(1, 21139902), (2, 10569951), (3, 7046634), (6, 3523317), (7, 3019986), (9, 2348878), (14, 1509993), (18, 1174439), (21, 1006662), (42, 503331), (63, 335554), (126, 167777)]