21694510

素因数分解:

$2^1\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{2129}}^1$

素因数の和:3155

約数の個数: 16

約数和(自身を含む): 39106800

約数和(自身を除く): 17412290

約数列:

[1, 2, 5, 10, 1019, 2038, 2129, 4258, 5095, 10190, 10645, 21290, 2169451, 4338902, 10847255, 21694510]

約数ペア:

[(1, 21694510), (2, 10847255), (5, 4338902), (10, 2169451), (1019, 21290), (2038, 10645), (2129, 10190), (4258, 5095)]