21597345

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 48881664

約数和(自身を除く): 27284319

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 23, 33, 35, 45, 55, 63, 69, 77, 99, 105, 115, 161, 165, 207, 231, 253, 271, 315, 345, 385, 483, 495, 693, 759, 805, 813, 1035, 1155, 1265, 1355, 1449, 1771, 1897, 2277, 2415, 2439, 2981, 3465, 3795, 4065, 5313, 5691, 6233, 7245, 8855, 8943, 9485, 11385, 12195, 14905, 15939, 17073, 18699, 20867, 26565, 26829, 28455, 31165, 43631, 44715, 56097, 62601, 68563, 79695, 85365, 93495, 104335, 130893, 134145, 187803, 205689, 218155, 280485, 313005, 342815, 392679, 479941, 617067, 654465, 939015, 1028445, 1439823, 1963395, 2399705, 3085335, 4319469, 7199115, 21597345]

約数ペア:

[(1, 21597345), (3, 7199115), (5, 4319469), (7, 3085335), (9, 2399705), (11, 1963395), (15, 1439823), (21, 1028445), (23, 939015), (33, 654465), (35, 617067), (45, 479941), (55, 392679), (63, 342815), (69, 313005), (77, 280485), (99, 218155), (105, 205689), (115, 187803), (161, 134145), (165, 130893), (207, 104335), (231, 93495), (253, 85365), (271, 79695), (315, 68563), (345, 62601), (385, 56097), (483, 44715), (495, 43631), (693, 31165), (759, 28455), (805, 26829), (813, 26565), (1035, 20867), (1155, 18699), (1265, 17073), (1355, 15939), (1449, 14905), (1771, 12195), (1897, 11385), (2277, 9485), (2415, 8943), (2439, 8855), (2981, 7245), (3465, 6233), (3795, 5691), (4065, 5313)]