21558736

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{5009}}^1$

素因数の和:5286

約数の個数: 20

約数和(自身を含む): 41933700

約数和(自身を除く): 20374964

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 5009, 10018, 20036, 40072, 80144, 1347421, 2694842, 5389684, 10779368, 21558736]

約数ペア:

[(1, 21558736), (2, 10779368), (4, 5389684), (8, 2694842), (16, 1347421), (269, 80144), (538, 40072), (1076, 20036), (2152, 10018), (4304, 5009)]