2100080300

素因数分解:

$2^2\times 5^2\times {\mathrm{21000803}}^1$

素因数の和:21000817

約数の個数: 18

約数和(自身を含む): 4557174468

約数和(自身を除く): 2457094168

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 21000803, 42001606, 84003212, 105004015, 210008030, 420016060, 525020075, 1050040150, 2100080300]

約数ペア:

[(1, 2100080300), (2, 1050040150), (4, 525020075), (5, 420016060), (10, 210008030), (20, 105004015), (25, 84003212), (50, 42001606), (100, 21000803)]