2145416

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 5051340

約数和(自身を除く): 2905924

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 421, 637, 728, 842, 1274, 1684, 2548, 2947, 3368, 5096, 5473, 5894, 10946, 11788, 20629, 21892, 23576, 38311, 41258, 43784, 76622, 82516, 153244, 165032, 268177, 306488, 536354, 1072708, 2145416]

約数ペア:

[(1, 2145416), (2, 1072708), (4, 536354), (7, 306488), (8, 268177), (13, 165032), (14, 153244), (26, 82516), (28, 76622), (49, 43784), (52, 41258), (56, 38311), (91, 23576), (98, 21892), (104, 20629), (182, 11788), (196, 10946), (364, 5894), (392, 5473), (421, 5096), (637, 3368), (728, 2947), (842, 2548), (1274, 1684)]