21239702

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 36197280

約数和(自身を除く): 14957578

約数列:

[1, 2, 11, 22, 37, 74, 97, 194, 269, 407, 538, 814, 1067, 2134, 2959, 3589, 5918, 7178, 9953, 19906, 26093, 39479, 52186, 78958, 109483, 218966, 287023, 574046, 965441, 1930882, 10619851, 21239702]

約数ペア:

[(1, 21239702), (2, 10619851), (11, 1930882), (22, 965441), (37, 574046), (74, 287023), (97, 218966), (194, 109483), (269, 78958), (407, 52186), (538, 39479), (814, 26093), (1067, 19906), (2134, 9953), (2959, 7178), (3589, 5918)]