21267288

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42197}}^1$

素因数の和:42216

約数の個数: 48

約数和(自身を含む): 65828880

約数和(自身を除く): 44561592

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, 42197, 84394, 126591, 168788, 253182, 295379, 337576, 379773, 506364, 590758, 759546, 886137, 1012728, 1181516, 1519092, 1772274, 2363032, 2658411, 3038184, 3544548, 5316822, 7089096, 10633644, 21267288]

約数ペア:

[(1, 21267288), (2, 10633644), (3, 7089096), (4, 5316822), (6, 3544548), (7, 3038184), (8, 2658411), (9, 2363032), (12, 1772274), (14, 1519092), (18, 1181516), (21, 1012728), (24, 886137), (28, 759546), (36, 590758), (42, 506364), (56, 379773), (63, 337576), (72, 295379), (84, 253182), (126, 168788), (168, 126591), (252, 84394), (504, 42197)]