21535164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{881}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 62925408

約数和(自身を除く): 41390244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 97, 126, 194, 252, 291, 388, 582, 679, 873, 881, 1164, 1358, 1746, 1762, 2037, 2643, 2716, 3492, 3524, 4074, 5286, 6111, 6167, 7929, 8148, 10572, 12222, 12334, 15858, 18501, 24444, 24668, 31716, 37002, 55503, 74004, 85457, 111006, 170914, 222012, 256371, 341828, 512742, 598199, 769113, 1025484, 1196398, 1538226, 1794597, 2392796, 3076452, 3589194, 5383791, 7178388, 10767582, 21535164]

約数ペア:

[(1, 21535164), (2, 10767582), (3, 7178388), (4, 5383791), (6, 3589194), (7, 3076452), (9, 2392796), (12, 1794597), (14, 1538226), (18, 1196398), (21, 1025484), (28, 769113), (36, 598199), (42, 512742), (63, 341828), (84, 256371), (97, 222012), (126, 170914), (194, 111006), (252, 85457), (291, 74004), (388, 55503), (582, 37002), (679, 31716), (873, 24668), (881, 24444), (1164, 18501), (1358, 15858), (1746, 12334), (1762, 12222), (2037, 10572), (2643, 8148), (2716, 7929), (3492, 6167), (3524, 6111), (4074, 5286)]