21978948684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{223}}^1\times {\mathrm{9697}}^1$

素因数の和:9956

約数の個数: 144

約数和(自身を含む): 64718710784

約数和(自身を除く): 42739762100

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 223, 231, 242, 308, 363, 446, 462, 484, 669, 726, 847, 892, 924, 1338, 1452, 1561, 1694, 2453, 2541, 2676, 3122, 3388, 4683, 4906, 5082, 6244, 7359, 9366, 9697, 9812, 10164, 14718, 17171, 18732, 19394, 26983, 29091, 29436, 34342, 38788, 51513, 53966, 58182, 67879, 68684, 80949, 103026, 106667, 107932, 116364, 135758, 161898, 188881, 203637, 206052, 213334, 271516, 320001, 323796, 377762, 407274, 426668, 566643, 640002, 746669, 755524, 814548, 1133286, 1173337, 1280004, 1493338, 2162431, 2240007, 2266572, 2346674, 2986676, 3520011, 4324862, 4480014, 4693348, 6487293, 7040022, 8213359, 8649724, 8960028, 12974586, 14080044, 15137017, 16426718, 23786741, 24640077, 25949172, 30274034, 32853436, 45411051, 47573482, 49280154, 60548068, 71360223, 90822102, 95146964, 98560308, 142720446, 166507187, 181644204, 261654151, 285440892, 333014374, 499521561, 523308302, 666028748, 784962453, 999043122, 1046616604, 1569924906, 1831579057, 1998086244, 3139849812, 3663158114, 5494737171, 7326316228, 10989474342, 21978948684]

約数ペア:

[(1, 21978948684), (2, 10989474342), (3, 7326316228), (4, 5494737171), (6, 3663158114), (7, 3139849812), (11, 1998086244), (12, 1831579057), (14, 1569924906), (21, 1046616604), (22, 999043122), (28, 784962453), (33, 666028748), (42, 523308302), (44, 499521561), (66, 333014374), (77, 285440892), (84, 261654151), (121, 181644204), (132, 166507187), (154, 142720446), (223, 98560308), (231, 95146964), (242, 90822102), (308, 71360223), (363, 60548068), (446, 49280154), (462, 47573482), (484, 45411051), (669, 32853436), (726, 30274034), (847, 25949172), (892, 24640077), (924, 23786741), (1338, 16426718), (1452, 15137017), (1561, 14080044), (1694, 12974586), (2453, 8960028), (2541, 8649724), (2676, 8213359), (3122, 7040022), (3388, 6487293), (4683, 4693348), (4906, 4480014), (5082, 4324862), (6244, 3520011), (7359, 2986676), (9366, 2346674), (9697, 2266572), (9812, 2240007), (10164, 2162431), (14718, 1493338), (17171, 1280004), (18732, 1173337), (19394, 1133286), (26983, 814548), (29091, 755524), (29436, 746669), (34342, 640002), (38788, 566643), (51513, 426668), (53966, 407274), (58182, 377762), (67879, 323796), (68684, 320001), (80949, 271516), (103026, 213334), (106667, 206052), (107932, 203637), (116364, 188881), (135758, 161898)]