21450192

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 59496192

約数和(自身を除く): 38046000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 97, 102, 136, 194, 204, 271, 272, 291, 388, 408, 542, 582, 776, 813, 816, 1084, 1164, 1552, 1626, 1649, 2168, 2328, 3252, 3298, 4336, 4607, 4656, 4947, 6504, 6596, 9214, 9894, 13008, 13192, 13821, 18428, 19788, 26287, 26384, 27642, 36856, 39576, 52574, 55284, 73712, 78861, 79152, 105148, 110568, 157722, 210296, 221136, 315444, 420592, 446879, 630888, 893758, 1261776, 1340637, 1787516, 2681274, 3575032, 5362548, 7150064, 10725096, 21450192]

約数ペア:

[(1, 21450192), (2, 10725096), (3, 7150064), (4, 5362548), (6, 3575032), (8, 2681274), (12, 1787516), (16, 1340637), (17, 1261776), (24, 893758), (34, 630888), (48, 446879), (51, 420592), (68, 315444), (97, 221136), (102, 210296), (136, 157722), (194, 110568), (204, 105148), (271, 79152), (272, 78861), (291, 73712), (388, 55284), (408, 52574), (542, 39576), (582, 36856), (776, 27642), (813, 26384), (816, 26287), (1084, 19788), (1164, 18428), (1552, 13821), (1626, 13192), (1649, 13008), (2168, 9894), (2328, 9214), (3252, 6596), (3298, 6504), (4336, 4947), (4607, 4656)]