21574742

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19507}}^1$

素因数の和:19595

約数の個数: 16

約数和(自身を含む): 37455360

約数和(自身を除く): 15880618

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 19507, 39014, 136549, 273098, 1541053, 3082106, 10787371, 21574742]

約数ペア:

[(1, 21574742), (2, 10787371), (7, 3082106), (14, 1541053), (79, 273098), (158, 136549), (553, 39014), (1106, 19507)]