21498498

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1759}}^1$

素因数の和:1871

約数の個数: 48

約数和(自身を含む): 53813760

約数和(自身を除く): 32315262

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 97, 126, 194, 291, 582, 679, 873, 1358, 1746, 1759, 2037, 3518, 4074, 5277, 6111, 10554, 12222, 12313, 15831, 24626, 31662, 36939, 73878, 110817, 170623, 221634, 341246, 511869, 1023738, 1194361, 1535607, 2388722, 3071214, 3583083, 7166166, 10749249, 21498498]

約数ペア:

[(1, 21498498), (2, 10749249), (3, 7166166), (6, 3583083), (7, 3071214), (9, 2388722), (14, 1535607), (18, 1194361), (21, 1023738), (42, 511869), (63, 341246), (97, 221634), (126, 170623), (194, 110817), (291, 73878), (582, 36939), (679, 31662), (873, 24626), (1358, 15831), (1746, 12313), (1759, 12222), (2037, 10554), (3518, 6111), (4074, 5277)]