21298035

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4451}}^1$

素因数の和:4499

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 17167245

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4451, 4785, 13353, 22255, 48961, 66765, 129079, 146883, 244805, 387237, 645395, 734415, 1419869, 1936185, 4259607, 7099345, 21298035]

約数ペア:

[(1, 21298035), (3, 7099345), (5, 4259607), (11, 1936185), (15, 1419869), (29, 734415), (33, 645395), (55, 387237), (87, 244805), (145, 146883), (165, 129079), (319, 66765), (435, 48961), (957, 22255), (1595, 13353), (4451, 4785)]