21438108

素因数分解:

$2^2\times 3^4\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:664

約数の個数: 60

約数和(自身を含む): 56593152

約数和(自身を除く): 35155044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 127, 162, 254, 324, 381, 508, 521, 762, 1042, 1143, 1524, 1563, 2084, 2286, 3126, 3429, 4572, 4689, 6252, 6858, 9378, 10287, 13716, 14067, 18756, 20574, 28134, 41148, 42201, 56268, 66167, 84402, 132334, 168804, 198501, 264668, 397002, 595503, 794004, 1191006, 1786509, 2382012, 3573018, 5359527, 7146036, 10719054, 21438108]

約数ペア:

[(1, 21438108), (2, 10719054), (3, 7146036), (4, 5359527), (6, 3573018), (9, 2382012), (12, 1786509), (18, 1191006), (27, 794004), (36, 595503), (54, 397002), (81, 264668), (108, 198501), (127, 168804), (162, 132334), (254, 84402), (324, 66167), (381, 56268), (508, 42201), (521, 41148), (762, 28134), (1042, 20574), (1143, 18756), (1524, 14067), (1563, 13716), (2084, 10287), (2286, 9378), (3126, 6858), (3429, 6252), (4572, 4689)]