21914217790

素因数分解:

$2^1\times 5^1\times {\mathrm{51217}}^1\times {\mathrm{42787}}^1$

素因数の和:94011

約数の個数: 16

約数和(自身を含む): 39447284112

約数和(自身を除く): 17533066322

約数列:

[1, 2, 5, 10, 42787, 51217, 85574, 102434, 213935, 256085, 427870, 512170, 2191421779, 4382843558, 10957108895, 21914217790]

約数ペア:

[(1, 21914217790), (2, 10957108895), (5, 4382843558), (10, 2191421779), (42787, 512170), (51217, 427870), (85574, 256085), (102434, 213935)]