21081774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{501947}}^1$

素因数の和:501959

約数の個数: 16

約数和(自身を含む): 48187008

約数和(自身を除く): 27105234

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 501947, 1003894, 1505841, 3011682, 3513629, 7027258, 10540887, 21081774]

約数ペア:

[(1, 21081774), (2, 10540887), (3, 7027258), (6, 3513629), (7, 3011682), (14, 1505841), (21, 1003894), (42, 501947)]