21795318

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:203

約数の個数: 80

約数和(自身を含む): 52649520

約数和(自身を除く): 30854202

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 73, 81, 97, 114, 146, 162, 171, 194, 219, 291, 342, 438, 513, 582, 657, 873, 1026, 1314, 1387, 1539, 1746, 1843, 1971, 2619, 2774, 3078, 3686, 3942, 4161, 5238, 5529, 5913, 7081, 7857, 8322, 11058, 11826, 12483, 14162, 15714, 16587, 21243, 24966, 33174, 37449, 42486, 49761, 63729, 74898, 99522, 112347, 127458, 134539, 149283, 191187, 224694, 269078, 298566, 382374, 403617, 573561, 807234, 1147122, 1210851, 2421702, 3632553, 7265106, 10897659, 21795318]

約数ペア:

[(1, 21795318), (2, 10897659), (3, 7265106), (6, 3632553), (9, 2421702), (18, 1210851), (19, 1147122), (27, 807234), (38, 573561), (54, 403617), (57, 382374), (73, 298566), (81, 269078), (97, 224694), (114, 191187), (146, 149283), (162, 134539), (171, 127458), (194, 112347), (219, 99522), (291, 74898), (342, 63729), (438, 49761), (513, 42486), (582, 37449), (657, 33174), (873, 24966), (1026, 21243), (1314, 16587), (1387, 15714), (1539, 14162), (1746, 12483), (1843, 11826), (1971, 11058), (2619, 8322), (2774, 7857), (3078, 7081), (3686, 5913), (3942, 5529), (4161, 5238)]