21798654878

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1733}}^1$

素因数の和:1930

約数の個数: 128

約数和(自身を含む): 45081114624

約数和(自身を除く): 23282459746

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 61, 77, 91, 103, 122, 143, 154, 182, 206, 286, 427, 671, 721, 793, 854, 1001, 1133, 1339, 1342, 1442, 1586, 1733, 2002, 2266, 2678, 3466, 4697, 5551, 6283, 7931, 8723, 9373, 9394, 11102, 12131, 12566, 14729, 15862, 17446, 18746, 19063, 22529, 24262, 29458, 38126, 43981, 45058, 61061, 69113, 81679, 87962, 103103, 105713, 122122, 133441, 138226, 157703, 163358, 178499, 206206, 211426, 247819, 266882, 315406, 356998, 483791, 495638, 571753, 739991, 898469, 967582, 1143506, 1162843, 1249493, 1374269, 1479982, 1734733, 1796938, 1963489, 2320487, 2325686, 2498986, 2748538, 3469466, 3926978, 4640974, 6289283, 8139901, 9619883, 10888439, 12578566, 13744423, 15116959, 16243409, 16279802, 19239766, 21776878, 25525357, 27488846, 30233918, 32486818, 51050714, 76219073, 105818713, 119772829, 141549707, 152438146, 178677499, 211637426, 239545658, 283099414, 357354998, 838409803, 990847949, 1557046777, 1676819606, 1981695898, 3114093554, 10899327439, 21798654878]

約数ペア:

[(1, 21798654878), (2, 10899327439), (7, 3114093554), (11, 1981695898), (13, 1676819606), (14, 1557046777), (22, 990847949), (26, 838409803), (61, 357354998), (77, 283099414), (91, 239545658), (103, 211637426), (122, 178677499), (143, 152438146), (154, 141549707), (182, 119772829), (206, 105818713), (286, 76219073), (427, 51050714), (671, 32486818), (721, 30233918), (793, 27488846), (854, 25525357), (1001, 21776878), (1133, 19239766), (1339, 16279802), (1342, 16243409), (1442, 15116959), (1586, 13744423), (1733, 12578566), (2002, 10888439), (2266, 9619883), (2678, 8139901), (3466, 6289283), (4697, 4640974), (5551, 3926978), (6283, 3469466), (7931, 2748538), (8723, 2498986), (9373, 2325686), (9394, 2320487), (11102, 1963489), (12131, 1796938), (12566, 1734733), (14729, 1479982), (15862, 1374269), (17446, 1249493), (18746, 1162843), (19063, 1143506), (22529, 967582), (24262, 898469), (29458, 739991), (38126, 571753), (43981, 495638), (45058, 483791), (61061, 356998), (69113, 315406), (81679, 266882), (87962, 247819), (103103, 211426), (105713, 206206), (122122, 178499), (133441, 163358), (138226, 157703)]