2181621.00000000

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{2111}}^1$

素因数の和:2463

約数の個数: 16

約数和(自身を含む): 137871360

約数和(自身を除く): 47482562

約数列:

[1, 2, 79, 158, 271, 542, 2111, 4222, 21409, 42818, 166769, 333538, 572081, 1144162, 45194399, 90388798]

約数ペア:

[(1, 90388798), (2, 45194399), (79, 1144162), (158, 572081), (271, 333538), (542, 166769), (2111, 42818), (4222, 21409)]