21785646

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157867}}^1$

素因数の和:157895

約数の個数: 16

約数和(自身を含む): 45465984

約数和(自身を除く): 23680338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 157867, 315734, 473601, 947202, 3630941, 7261882, 10892823, 21785646]

約数ペア:

[(1, 21785646), (2, 10892823), (3, 7261882), (6, 3630941), (23, 947202), (46, 473601), (69, 315734), (138, 157867)]