21670415998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{140716987}}^1$

素因数の和:140717007

約数の個数: 16

約数和(自身を含む): 40526492544

約数和(自身を除く): 18856076546

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 140716987, 281433974, 985018909, 1547886857, 1970037818, 3095773714, 10835207999, 21670415998]

約数ペア:

[(1, 21670415998), (2, 10835207999), (7, 3095773714), (11, 1970037818), (14, 1547886857), (22, 985018909), (77, 281433974), (154, 140716987)]