16890069

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{42331}}^1$

素因数の和:42360

約数の個数: 16

約数和(自身を含む): 27092480

約数和(自身を除く): 10202411

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 42331, 126993, 296317, 804289, 888951, 2412867, 5630023, 16890069]

約数ペア:

[(1, 16890069), (3, 5630023), (7, 2412867), (19, 888951), (21, 804289), (57, 296317), (133, 126993), (399, 42331)]