21817902

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{213901}}^1$

素因数の和:213923

約数の個数: 16

約数和(自身を含む): 46202832

約数和(自身を除く): 24384930

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 213901, 427802, 641703, 1283406, 3636317, 7272634, 10908951, 21817902]

約数ペア:

[(1, 21817902), (2, 10908951), (3, 7272634), (6, 3636317), (17, 1283406), (34, 641703), (51, 427802), (102, 213901)]