21161003

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 2478037

約数列:

[1, 19, 31, 37, 589, 703, 971, 1147, 18449, 21793, 30101, 35927, 571919, 682613, 1113737, 21161003]

約数ペア:

[(1, 21161003), (19, 1113737), (31, 682613), (37, 571919), (589, 35927), (703, 30101), (971, 21793), (1147, 18449)]