21777405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3851}}^1$

素因数の和:3901

約数の個数: 32

約数和(自身を含む): 38828160

約数和(自身を除く): 17050755

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 3851, 5655, 11553, 19255, 50063, 57765, 111679, 150189, 250315, 335037, 558395, 750945, 1451827, 1675185, 4355481, 7259135, 21777405]

約数ペア:

[(1, 21777405), (3, 7259135), (5, 4355481), (13, 1675185), (15, 1451827), (29, 750945), (39, 558395), (65, 335037), (87, 250315), (145, 150189), (195, 111679), (377, 57765), (435, 50063), (1131, 19255), (1885, 11553), (3851, 5655)]