21087769065

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4122731}}^1$

素因数の和:4122781

約数の個数: 32

約数和(自身を含む): 37995098112

約数和(自身を除く): 16907329047

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 5115, 4122731, 12368193, 20613655, 45350041, 61840965, 127804661, 136050123, 226750205, 383413983, 639023305, 680250615, 1405851271, 1917069915, 4217553813, 7029256355, 21087769065]

約数ペア:

[(1, 21087769065), (3, 7029256355), (5, 4217553813), (11, 1917069915), (15, 1405851271), (31, 680250615), (33, 639023305), (55, 383413983), (93, 226750205), (155, 136050123), (165, 127804661), (341, 61840965), (465, 45350041), (1023, 20613655), (1705, 12368193), (5115, 4122731)]