21940562

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{22073}}^1$

素因数の和:22153

約数の個数: 16

約数和(自身を含む): 38143872

約数和(自身を除く): 16203310

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 22073, 44146, 154511, 309022, 1567183, 3134366, 10970281, 21940562]

約数ペア:

[(1, 21940562), (2, 10970281), (7, 3134366), (14, 1567183), (71, 309022), (142, 154511), (497, 44146), (994, 22073)]