21994362

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 59270400

約数和(自身を除く): 37276038

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 19, 26, 27, 34, 38, 39, 51, 54, 57, 78, 97, 102, 114, 117, 153, 171, 194, 221, 234, 247, 291, 306, 323, 342, 351, 442, 459, 494, 513, 582, 646, 663, 702, 741, 873, 918, 969, 1026, 1261, 1326, 1482, 1649, 1746, 1843, 1938, 1989, 2223, 2522, 2619, 2907, 3298, 3686, 3783, 3978, 4199, 4446, 4947, 5238, 5529, 5814, 5967, 6669, 7566, 8398, 8721, 9894, 11058, 11349, 11934, 12597, 13338, 14841, 16587, 17442, 21437, 22698, 23959, 25194, 29682, 31331, 33174, 34047, 37791, 42874, 44523, 47918, 49761, 62662, 64311, 68094, 71877, 75582, 89046, 93993, 99522, 113373, 128622, 143754, 187986, 192933, 215631, 226746, 281979, 385866, 407303, 431262, 563958, 578799, 646893, 814606, 845937, 1157598, 1221909, 1293786, 1691874, 2443818, 3665727, 7331454, 10997181, 21994362]

約数ペア:

[(1, 21994362), (2, 10997181), (3, 7331454), (6, 3665727), (9, 2443818), (13, 1691874), (17, 1293786), (18, 1221909), (19, 1157598), (26, 845937), (27, 814606), (34, 646893), (38, 578799), (39, 563958), (51, 431262), (54, 407303), (57, 385866), (78, 281979), (97, 226746), (102, 215631), (114, 192933), (117, 187986), (153, 143754), (171, 128622), (194, 113373), (221, 99522), (234, 93993), (247, 89046), (291, 75582), (306, 71877), (323, 68094), (342, 64311), (351, 62662), (442, 49761), (459, 47918), (494, 44523), (513, 42874), (582, 37791), (646, 34047), (663, 33174), (702, 31331), (741, 29682), (873, 25194), (918, 23959), (969, 22698), (1026, 21437), (1261, 17442), (1326, 16587), (1482, 14841), (1649, 13338), (1746, 12597), (1843, 11934), (1938, 11349), (1989, 11058), (2223, 9894), (2522, 8721), (2619, 8398), (2907, 7566), (3298, 6669), (3686, 5967), (3783, 5814), (3978, 5529), (4199, 5238), (4446, 4947)]