21090024

素因数分解:

$2^3\times 3^3\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 58968000

約数和(自身を除く): 37877976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 251, 389, 502, 753, 778, 1004, 1167, 1506, 1556, 2008, 2259, 2334, 3012, 3112, 3501, 4518, 4668, 6024, 6777, 7002, 9036, 9336, 10503, 13554, 14004, 18072, 21006, 27108, 28008, 42012, 54216, 84024, 97639, 195278, 292917, 390556, 585834, 781112, 878751, 1171668, 1757502, 2343336, 2636253, 3515004, 5272506, 7030008, 10545012, 21090024]

約数ペア:

[(1, 21090024), (2, 10545012), (3, 7030008), (4, 5272506), (6, 3515004), (8, 2636253), (9, 2343336), (12, 1757502), (18, 1171668), (24, 878751), (27, 781112), (36, 585834), (54, 390556), (72, 292917), (108, 195278), (216, 97639), (251, 84024), (389, 54216), (502, 42012), (753, 28008), (778, 27108), (1004, 21006), (1167, 18072), (1506, 14004), (1556, 13554), (2008, 10503), (2259, 9336), (2334, 9036), (3012, 7002), (3112, 6777), (3501, 6024), (4518, 4668)]