21471842

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{3643}}^1$

素因数の和:4073

約数の個数: 16

約数和(自身を含む): 36906432

約数和(自身を除く): 15434590

約数列:

[1, 2, 7, 14, 421, 842, 2947, 3643, 5894, 7286, 25501, 51002, 1533703, 3067406, 10735921, 21471842]

約数ペア:

[(1, 21471842), (2, 10735921), (7, 3067406), (14, 1533703), (421, 51002), (842, 25501), (2947, 7286), (3643, 5894)]