21226810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{192971}}^1$

素因数の和:192989

約数の個数: 16

約数和(自身を含む): 41681952

約数和(自身を除く): 20455142

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 192971, 385942, 964855, 1929710, 2122681, 4245362, 10613405, 21226810]

約数ペア:

[(1, 21226810), (2, 10613405), (5, 4245362), (10, 2122681), (11, 1929710), (22, 964855), (55, 385942), (110, 192971)]