21077762013

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{301141}}^1$

素因数の和:301266

約数の個数: 48

約数和(自身を含む): 38334172032

約数和(自身を除く): 17256410019

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 101, 231, 303, 693, 707, 909, 1111, 2121, 3333, 6363, 7777, 9999, 23331, 69993, 301141, 903423, 2107987, 2710269, 3312551, 6323961, 9937653, 18971883, 23187857, 29812959, 30415241, 69563571, 91245723, 208690713, 212906687, 273737169, 334567651, 638720061, 1003702953, 1916160183, 2341973557, 3011108859, 7025920671, 21077762013]

約数ペア:

[(1, 21077762013), (3, 7025920671), (7, 3011108859), (9, 2341973557), (11, 1916160183), (21, 1003702953), (33, 638720061), (63, 334567651), (77, 273737169), (99, 212906687), (101, 208690713), (231, 91245723), (303, 69563571), (693, 30415241), (707, 29812959), (909, 23187857), (1111, 18971883), (2121, 9937653), (3333, 6323961), (6363, 3312551), (7777, 2710269), (9999, 2107987), (23331, 903423), (69993, 301141)]