21098474

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{5189}}^1$

素因数の和:5317

約数の個数: 16

約数和(自身を含む): 33631200

約数和(自身を除く): 12532726

約数列:

[1, 2, 19, 38, 107, 214, 2033, 4066, 5189, 10378, 98591, 197182, 555223, 1110446, 10549237, 21098474]

約数ペア:

[(1, 21098474), (2, 10549237), (19, 1110446), (38, 555223), (107, 197182), (214, 98591), (2033, 10378), (4066, 5189)]