21554568

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42767}}^1$

素因数の和:42786

約数の個数: 48

約数和(自身を含む): 66718080

約数和(自身を除く): 45163512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42767, 85534, 128301, 171068, 256602, 299369, 342136, 384903, 513204, 598738, 769806, 898107, 1026408, 1197476, 1539612, 1796214, 2394952, 2694321, 3079224, 3592428, 5388642, 7184856, 10777284, 21554568]

約数ペア:

[(1, 21554568), (2, 10777284), (3, 7184856), (4, 5388642), (6, 3592428), (7, 3079224), (8, 2694321), (9, 2394952), (12, 1796214), (14, 1539612), (18, 1197476), (21, 1026408), (24, 898107), (28, 769806), (36, 598738), (42, 513204), (56, 384903), (63, 342136), (72, 299369), (84, 256602), (126, 171068), (168, 128301), (252, 85534), (504, 42767)]