21836012965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{252017}}^1$

素因数の和:252109

約数の個数: 32

約数和(自身を含む): 29806672896

約数和(自身を除く): 7970659931

約数列:

[1, 5, 13, 31, 43, 65, 155, 215, 403, 559, 1333, 2015, 2795, 6665, 17329, 86645, 252017, 1260085, 3276221, 7812527, 10836731, 16381105, 39062635, 54183655, 101562851, 140877503, 335938661, 507814255, 704387515, 1679693305, 4367202593, 21836012965]

約数ペア:

[(1, 21836012965), (5, 4367202593), (13, 1679693305), (31, 704387515), (43, 507814255), (65, 335938661), (155, 140877503), (215, 101562851), (403, 54183655), (559, 39062635), (1333, 16381105), (2015, 10836731), (2795, 7812527), (6665, 3276221), (17329, 1260085), (86645, 252017)]