16420341

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3019}}^1$

素因数の和:3073

約数の個数: 24

約数和(自身を含む): 26165280

約数和(自身を除く): 9744939

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 3019, 5439, 9057, 21133, 63399, 111703, 147931, 335109, 443793, 781921, 2345763, 5473447, 16420341]

約数ペア:

[(1, 16420341), (3, 5473447), (7, 2345763), (21, 781921), (37, 443793), (49, 335109), (111, 147931), (147, 111703), (259, 63399), (777, 21133), (1813, 9057), (3019, 5439)]