21712502

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{91229}}^1$

素因数の和:91255

約数の個数: 16

約数和(自身を含む): 39411360

約数和(自身を除く): 17698858

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 91229, 182458, 638603, 1277206, 1550893, 3101786, 10856251, 21712502]

約数ペア:

[(1, 21712502), (2, 10856251), (7, 3101786), (14, 1550893), (17, 1277206), (34, 638603), (119, 182458), (238, 91229)]