21508713578884

素因数分解:

$2^2\times 7^1\times {\mathrm{1550693}}^1\times {\mathrm{495371}}^1$

素因数の和:2046075

約数の個数: 24

約数和(自身を含む): 43017541737408

約数和(自身を除く): 21508828158524

約数列:

[1, 2, 4, 7, 14, 28, 495371, 990742, 1550693, 1981484, 3101386, 3467597, 6202772, 6935194, 10854851, 13870388, 21709702, 43419404, 768168342103, 1536336684206, 3072673368412, 5377178394721, 10754356789442, 21508713578884]

約数ペア:

[(1, 21508713578884), (2, 10754356789442), (4, 5377178394721), (7, 3072673368412), (14, 1536336684206), (28, 768168342103), (495371, 43419404), (990742, 21709702), (1550693, 13870388), (1981484, 10854851), (3101386, 6935194), (3467597, 6202772)]