21562341

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 10578459

約数列:

[1, 3, 17, 29, 51, 61, 87, 183, 239, 493, 717, 1037, 1479, 1769, 3111, 4063, 5307, 6931, 12189, 14579, 20793, 30073, 43737, 90219, 117827, 247843, 353481, 422791, 743529, 1268373, 7187447, 21562341]

約数ペア:

[(1, 21562341), (3, 7187447), (17, 1268373), (29, 743529), (51, 422791), (61, 353481), (87, 247843), (183, 117827), (239, 90219), (493, 43737), (717, 30073), (1037, 20793), (1479, 14579), (1769, 12189), (3111, 6931), (4063, 5307)]