21491308082

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2491457}}^1$

素因数の和:2491705

約数の個数: 16

約数和(自身を含む): 34083145440

約数和(自身を除く): 12591837358

約数列:

[1, 2, 19, 38, 227, 454, 4313, 8626, 2491457, 4982914, 47337683, 94675366, 565560739, 1131121478, 10745654041, 21491308082]

約数ペア:

[(1, 21491308082), (2, 10745654041), (19, 1131121478), (38, 565560739), (227, 94675366), (454, 47337683), (4313, 4982914), (8626, 2491457)]