21764498

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{12241}}^1$

素因数の和:12377

約数の個数: 16

約数和(自身を含む): 37607424

約数和(自身を除く): 15842926

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 12241, 24482, 85687, 171374, 1554607, 3109214, 10882249, 21764498]

約数ペア:

[(1, 21764498), (2, 10882249), (7, 3109214), (14, 1554607), (127, 171374), (254, 85687), (889, 24482), (1778, 12241)]