21859292

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 50139936

約数和(自身を除く): 28280644

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 49, 52, 91, 92, 98, 161, 182, 196, 299, 322, 364, 373, 598, 637, 644, 746, 1127, 1196, 1274, 1492, 2093, 2254, 2548, 2611, 4186, 4508, 4849, 5222, 8372, 8579, 9698, 10444, 14651, 17158, 18277, 19396, 29302, 33943, 34316, 36554, 58604, 60053, 67886, 73108, 111527, 120106, 135772, 223054, 237601, 240212, 420371, 446108, 475202, 780689, 840742, 950404, 1561378, 1681484, 3122756, 5464823, 10929646, 21859292]

約数ペア:

[(1, 21859292), (2, 10929646), (4, 5464823), (7, 3122756), (13, 1681484), (14, 1561378), (23, 950404), (26, 840742), (28, 780689), (46, 475202), (49, 446108), (52, 420371), (91, 240212), (92, 237601), (98, 223054), (161, 135772), (182, 120106), (196, 111527), (299, 73108), (322, 67886), (364, 60053), (373, 58604), (598, 36554), (637, 34316), (644, 33943), (746, 29302), (1127, 19396), (1196, 18277), (1274, 17158), (1492, 14651), (2093, 10444), (2254, 9698), (2548, 8579), (2611, 8372), (4186, 5222), (4508, 4849)]