21393372

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 67882752

約数和(自身を除く): 46489380

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 137, 143, 154, 156, 169, 182, 231, 273, 274, 286, 308, 338, 364, 411, 429, 462, 507, 546, 548, 572, 676, 822, 858, 924, 959, 1001, 1014, 1092, 1183, 1507, 1644, 1716, 1781, 1859, 1918, 2002, 2028, 2366, 2877, 3003, 3014, 3549, 3562, 3718, 3836, 4004, 4521, 4732, 5343, 5577, 5754, 6006, 6028, 7098, 7124, 7436, 9042, 10549, 10686, 11154, 11508, 12012, 12467, 13013, 14196, 18084, 19591, 21098, 21372, 22308, 23153, 24934, 26026, 31647, 37401, 39039, 39182, 42196, 46306, 49868, 52052, 58773, 63294, 69459, 74802, 78078, 78364, 92612, 117546, 126588, 137137, 138918, 149604, 156156, 162071, 235092, 254683, 274274, 277836, 324142, 411411, 486213, 509366, 548548, 648284, 764049, 822822, 972426, 1018732, 1528098, 1645644, 1782781, 1944852, 3056196, 3565562, 5348343, 7131124, 10696686, 21393372]

約数ペア:

[(1, 21393372), (2, 10696686), (3, 7131124), (4, 5348343), (6, 3565562), (7, 3056196), (11, 1944852), (12, 1782781), (13, 1645644), (14, 1528098), (21, 1018732), (22, 972426), (26, 822822), (28, 764049), (33, 648284), (39, 548548), (42, 509366), (44, 486213), (52, 411411), (66, 324142), (77, 277836), (78, 274274), (84, 254683), (91, 235092), (132, 162071), (137, 156156), (143, 149604), (154, 138918), (156, 137137), (169, 126588), (182, 117546), (231, 92612), (273, 78364), (274, 78078), (286, 74802), (308, 69459), (338, 63294), (364, 58773), (411, 52052), (429, 49868), (462, 46306), (507, 42196), (546, 39182), (548, 39039), (572, 37401), (676, 31647), (822, 26026), (858, 24934), (924, 23153), (959, 22308), (1001, 21372), (1014, 21098), (1092, 19591), (1183, 18084), (1507, 14196), (1644, 13013), (1716, 12467), (1781, 12012), (1859, 11508), (1918, 11154), (2002, 10686), (2028, 10549), (2366, 9042), (2877, 7436), (3003, 7124), (3014, 7098), (3549, 6028), (3562, 6006), (3718, 5754), (3836, 5577), (4004, 5343), (4521, 4732)]