21293030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193573}}^1$

素因数の和:193591

約数の個数: 16

約数和(自身を含む): 41811984

約数和(自身を除く): 20518954

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 193573, 387146, 967865, 1935730, 2129303, 4258606, 10646515, 21293030]

約数ペア:

[(1, 21293030), (2, 10646515), (5, 4258606), (10, 2129303), (11, 1935730), (22, 967865), (55, 387146), (110, 193573)]