21595574

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 46884096

約数和(自身を除く): 25288522

約数列:

[1, 2, 7, 11, 13, 14, 22, 23, 26, 46, 49, 67, 77, 91, 98, 134, 143, 154, 161, 182, 253, 286, 299, 322, 469, 506, 539, 598, 637, 737, 871, 938, 1001, 1078, 1127, 1274, 1474, 1541, 1742, 1771, 2002, 2093, 2254, 3082, 3283, 3289, 3542, 4186, 5159, 6097, 6566, 6578, 7007, 9581, 10318, 10787, 12194, 12397, 14014, 14651, 16951, 19162, 20033, 21574, 23023, 24794, 29302, 33902, 36113, 40066, 42679, 46046, 67067, 72226, 75509, 85358, 118657, 134134, 140231, 151018, 161161, 220363, 237314, 280462, 322322, 440726, 469469, 830599, 938938, 981617, 1542541, 1661198, 1963234, 3085082, 10797787, 21595574]

約数ペア:

[(1, 21595574), (2, 10797787), (7, 3085082), (11, 1963234), (13, 1661198), (14, 1542541), (22, 981617), (23, 938938), (26, 830599), (46, 469469), (49, 440726), (67, 322322), (77, 280462), (91, 237314), (98, 220363), (134, 161161), (143, 151018), (154, 140231), (161, 134134), (182, 118657), (253, 85358), (286, 75509), (299, 72226), (322, 67067), (469, 46046), (506, 42679), (539, 40066), (598, 36113), (637, 33902), (737, 29302), (871, 24794), (938, 23023), (1001, 21574), (1078, 20033), (1127, 19162), (1274, 16951), (1474, 14651), (1541, 14014), (1742, 12397), (1771, 12194), (2002, 10787), (2093, 10318), (2254, 9581), (3082, 7007), (3283, 6578), (3289, 6566), (3542, 6097), (4186, 5159)]