21955934

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1041

約数の個数: 48

約数和(自身を含む): 44598624

約数和(自身を除く): 22642690

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 121, 143, 154, 182, 242, 286, 847, 997, 1001, 1573, 1694, 1994, 2002, 3146, 6979, 10967, 11011, 12961, 13958, 21934, 22022, 25922, 76769, 90727, 120637, 142571, 153538, 181454, 241274, 285142, 844459, 997997, 1568281, 1688918, 1995994, 3136562, 10977967, 21955934]

約数ペア:

[(1, 21955934), (2, 10977967), (7, 3136562), (11, 1995994), (13, 1688918), (14, 1568281), (22, 997997), (26, 844459), (77, 285142), (91, 241274), (121, 181454), (143, 153538), (154, 142571), (182, 120637), (242, 90727), (286, 76769), (847, 25922), (997, 22022), (1001, 21934), (1573, 13958), (1694, 12961), (1994, 11011), (2002, 10967), (3146, 6979)]