21982114

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 41328000

約数和(自身を除く): 19345886

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 349, 409, 698, 818, 2443, 2863, 3839, 4499, 4886, 5726, 7678, 8998, 26873, 31493, 53746, 62986, 142741, 285482, 999187, 1570151, 1998374, 3140302, 10991057, 21982114]

約数ペア:

[(1, 21982114), (2, 10991057), (7, 3140302), (11, 1998374), (14, 1570151), (22, 999187), (77, 285482), (154, 142741), (349, 62986), (409, 53746), (698, 31493), (818, 26873), (2443, 8998), (2863, 7678), (3839, 5726), (4499, 4886)]