21052494

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 53049600

約数和(自身を除く): 31997106

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 27, 34, 38, 51, 54, 57, 71, 102, 114, 142, 153, 171, 213, 289, 306, 323, 342, 426, 459, 513, 578, 639, 646, 867, 918, 969, 1026, 1207, 1278, 1349, 1734, 1917, 1938, 2414, 2601, 2698, 2907, 3621, 3834, 4047, 5202, 5491, 5814, 7242, 7803, 8094, 8721, 10863, 10982, 12141, 15606, 16473, 17442, 20519, 21726, 22933, 24282, 32589, 32946, 36423, 41038, 45866, 49419, 61557, 65178, 68799, 72846, 98838, 123114, 137598, 148257, 184671, 206397, 296514, 369342, 389861, 412794, 554013, 619191, 779722, 1108026, 1169583, 1238382, 2339166, 3508749, 7017498, 10526247, 21052494]

約数ペア:

[(1, 21052494), (2, 10526247), (3, 7017498), (6, 3508749), (9, 2339166), (17, 1238382), (18, 1169583), (19, 1108026), (27, 779722), (34, 619191), (38, 554013), (51, 412794), (54, 389861), (57, 369342), (71, 296514), (102, 206397), (114, 184671), (142, 148257), (153, 137598), (171, 123114), (213, 98838), (289, 72846), (306, 68799), (323, 65178), (342, 61557), (426, 49419), (459, 45866), (513, 41038), (578, 36423), (639, 32946), (646, 32589), (867, 24282), (918, 22933), (969, 21726), (1026, 20519), (1207, 17442), (1278, 16473), (1349, 15606), (1734, 12141), (1917, 10982), (1938, 10863), (2414, 8721), (2601, 8094), (2698, 7803), (2907, 7242), (3621, 5814), (3834, 5491), (4047, 5202)]