21198898

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89071}}^1$

素因数の和:89097

約数の個数: 16

約数和(自身を含む): 38479104

約数和(自身を除く): 17280206

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 89071, 178142, 623497, 1246994, 1514207, 3028414, 10599449, 21198898]

約数ペア:

[(1, 21198898), (2, 10599449), (7, 3028414), (14, 1514207), (17, 1246994), (34, 623497), (119, 178142), (238, 89071)]