21044604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 59512320

約数和(自身を除く): 38467716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 53, 58, 84, 87, 106, 116, 159, 163, 174, 203, 212, 318, 326, 348, 371, 406, 489, 609, 636, 652, 742, 812, 978, 1113, 1141, 1218, 1484, 1537, 1956, 2226, 2282, 2436, 3074, 3423, 4452, 4564, 4611, 4727, 6148, 6846, 8639, 9222, 9454, 10759, 13692, 14181, 17278, 18444, 18908, 21518, 25917, 28362, 32277, 33089, 34556, 43036, 51834, 56724, 60473, 64554, 66178, 99267, 103668, 120946, 129108, 132356, 181419, 198534, 241892, 250531, 362838, 397068, 501062, 725676, 751593, 1002124, 1503186, 1753717, 3006372, 3507434, 5261151, 7014868, 10522302, 21044604]

約数ペア:

[(1, 21044604), (2, 10522302), (3, 7014868), (4, 5261151), (6, 3507434), (7, 3006372), (12, 1753717), (14, 1503186), (21, 1002124), (28, 751593), (29, 725676), (42, 501062), (53, 397068), (58, 362838), (84, 250531), (87, 241892), (106, 198534), (116, 181419), (159, 132356), (163, 129108), (174, 120946), (203, 103668), (212, 99267), (318, 66178), (326, 64554), (348, 60473), (371, 56724), (406, 51834), (489, 43036), (609, 34556), (636, 33089), (652, 32277), (742, 28362), (812, 25917), (978, 21518), (1113, 18908), (1141, 18444), (1218, 17278), (1484, 14181), (1537, 13692), (1956, 10759), (2226, 9454), (2282, 9222), (2436, 8639), (3074, 6846), (3423, 6148), (4452, 4727), (4564, 4611)]