21749151858

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{3221}}^1$

素因数の和:3457

約数の個数: 128

約数和(自身を含む): 54005875200

約数和(自身を除く): 32256723342

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 193, 238, 294, 343, 357, 386, 579, 686, 714, 833, 1029, 1158, 1351, 1666, 2058, 2499, 2702, 3221, 3281, 4053, 4998, 5831, 6442, 6562, 8106, 9457, 9663, 9843, 11662, 17493, 18914, 19326, 19686, 22547, 22967, 28371, 34986, 45094, 45934, 54757, 56742, 66199, 67641, 68901, 109514, 132398, 135282, 137802, 157829, 160769, 164271, 198597, 315658, 321538, 328542, 383299, 397194, 473487, 482307, 621653, 766598, 946974, 964614, 1104803, 1125383, 1149897, 1243306, 1864959, 2209606, 2250766, 2299794, 2683093, 3314409, 3376149, 3729918, 4351571, 5366186, 6628818, 6752298, 8049279, 8703142, 10568101, 13054713, 16098558, 18781651, 21136202, 26109426, 30460997, 31704303, 37563302, 56344953, 60921994, 63408606, 73976707, 91382991, 112689906, 147953414, 182765982, 213226979, 221930121, 426453958, 443860242, 517836949, 639680937, 1035673898, 1279361874, 1553510847, 3107021694, 3624858643, 7249717286, 10874575929, 21749151858]

約数ペア:

[(1, 21749151858), (2, 10874575929), (3, 7249717286), (6, 3624858643), (7, 3107021694), (14, 1553510847), (17, 1279361874), (21, 1035673898), (34, 639680937), (42, 517836949), (49, 443860242), (51, 426453958), (98, 221930121), (102, 213226979), (119, 182765982), (147, 147953414), (193, 112689906), (238, 91382991), (294, 73976707), (343, 63408606), (357, 60921994), (386, 56344953), (579, 37563302), (686, 31704303), (714, 30460997), (833, 26109426), (1029, 21136202), (1158, 18781651), (1351, 16098558), (1666, 13054713), (2058, 10568101), (2499, 8703142), (2702, 8049279), (3221, 6752298), (3281, 6628818), (4053, 5366186), (4998, 4351571), (5831, 3729918), (6442, 3376149), (6562, 3314409), (8106, 2683093), (9457, 2299794), (9663, 2250766), (9843, 2209606), (11662, 1864959), (17493, 1243306), (18914, 1149897), (19326, 1125383), (19686, 1104803), (22547, 964614), (22967, 946974), (28371, 766598), (34986, 621653), (45094, 482307), (45934, 473487), (54757, 397194), (56742, 383299), (66199, 328542), (67641, 321538), (68901, 315658), (109514, 198597), (132398, 164271), (135282, 160769), (137802, 157829)]