21054698

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79153}}^1$

素因数の和:79181

約数の個数: 16

約数和(自身を含む): 37993920

約数和(自身を除く): 16939222

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 79153, 158306, 554071, 1108142, 1503907, 3007814, 10527349, 21054698]

約数ペア:

[(1, 21054698), (2, 10527349), (7, 3007814), (14, 1503907), (19, 1108142), (38, 554071), (133, 158306), (266, 79153)]