21770715

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4637}}^1$

素因数の和:4958

約数の個数: 16

約数和(自身を含む): 34951968

約数和(自身を除く): 13181253

約数列:

[1, 3, 5, 15, 313, 939, 1565, 4637, 4695, 13911, 23185, 69555, 1451381, 4354143, 7256905, 21770715]

約数ペア:

[(1, 21770715), (3, 7256905), (5, 4354143), (15, 1451381), (313, 69555), (939, 23185), (1565, 13911), (4637, 4695)]