21037158

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 80

約数和(自身を含む): 50181120

約数和(自身を除く): 29143962

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 59, 62, 71, 81, 93, 118, 142, 162, 177, 186, 213, 279, 354, 426, 531, 558, 639, 837, 1062, 1278, 1593, 1674, 1829, 1917, 2201, 2511, 3186, 3658, 3834, 4189, 4402, 4779, 5022, 5487, 5751, 6603, 8378, 9558, 10974, 11502, 12567, 13206, 16461, 19809, 25134, 32922, 37701, 39618, 49383, 59427, 75402, 98766, 113103, 118854, 129859, 148149, 178281, 226206, 259718, 296298, 339309, 356562, 389577, 678618, 779154, 1168731, 2337462, 3506193, 7012386, 10518579, 21037158]

約数ペア:

[(1, 21037158), (2, 10518579), (3, 7012386), (6, 3506193), (9, 2337462), (18, 1168731), (27, 779154), (31, 678618), (54, 389577), (59, 356562), (62, 339309), (71, 296298), (81, 259718), (93, 226206), (118, 178281), (142, 148149), (162, 129859), (177, 118854), (186, 113103), (213, 98766), (279, 75402), (354, 59427), (426, 49383), (531, 39618), (558, 37701), (639, 32922), (837, 25134), (1062, 19809), (1278, 16461), (1593, 13206), (1674, 12567), (1829, 11502), (1917, 10974), (2201, 9558), (2511, 8378), (3186, 6603), (3658, 5751), (3834, 5487), (4189, 5022), (4402, 4779)]