21104784

素因数分解:

$2^4\times 3^2\times {\mathrm{113}}^1\times {\mathrm{1297}}^1$

素因数の和:1424

約数の個数: 60

約数和(自身を含む): 59632716

約数和(自身を除く): 38527932

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 113, 144, 226, 339, 452, 678, 904, 1017, 1297, 1356, 1808, 2034, 2594, 2712, 3891, 4068, 5188, 5424, 7782, 8136, 10376, 11673, 15564, 16272, 20752, 23346, 31128, 46692, 62256, 93384, 146561, 186768, 293122, 439683, 586244, 879366, 1172488, 1319049, 1758732, 2344976, 2638098, 3517464, 5276196, 7034928, 10552392, 21104784]

約数ペア:

[(1, 21104784), (2, 10552392), (3, 7034928), (4, 5276196), (6, 3517464), (8, 2638098), (9, 2344976), (12, 1758732), (16, 1319049), (18, 1172488), (24, 879366), (36, 586244), (48, 439683), (72, 293122), (113, 186768), (144, 146561), (226, 93384), (339, 62256), (452, 46692), (678, 31128), (904, 23346), (1017, 20752), (1297, 16272), (1356, 15564), (1808, 11673), (2034, 10376), (2594, 8136), (2712, 7782), (3891, 5424), (4068, 5188)]